diff --git a/application/config/studierendenantrag.php b/application/config/studierendenantrag.php
index 4e25aef28..ef2098aca 100644
--- a/application/config/studierendenantrag.php
+++ b/application/config/studierendenantrag.php
@@ -168,3 +168,32 @@ $config['stgkz_blacklist_wiederholung'] = [];
  * @var array           An array of noten ids
  */
 $config['note_blacklist_wiederholung'] = [];
+
+/**
+ *  Enable/disable the Abmeldung StG process
+ *
+ * @var bool
+ */
+$config['abmeldung_stg_enabled'] = true;
+
+/**
+ *  Enable/disable the Abmeldung process
+ *
+ * @var bool
+ */
+$config['abmeldung_enabled'] = true;
+
+/**
+ *  Enable/disable the Unterbrecher process
+ *
+ * @var bool
+ */
+$config['unterbrechung_enabled'] = true;
+
+/**
+ *  Enable/disable the Wiederholer process
+ *
+ * @var bool
+ */
+$config['wiederholung_enabled'] = true;
+
diff --git a/application/controllers/api/frontend/v1/stv/Dokumente.php b/application/controllers/api/frontend/v1/stv/Dokumente.php
index b8c7830bd..913a57dc4 100644
--- a/application/controllers/api/frontend/v1/stv/Dokumente.php
+++ b/application/controllers/api/frontend/v1/stv/Dokumente.php
@@ -78,52 +78,32 @@ class Dokumente extends FHCAPI_Controller
 			$this->terminateWithError($this->p->t('ui', 'errorMissingValue', ['value' => 'Studiengang_kz']), self::ERROR_TYPE_GENERAL);
 
 		$resultPreDoc = $this->_getPrestudentDokumente($prestudent_id);
-
-		$arrayAccepted = [];
 		$person_id = $this->_getPersonId($prestudent_id);
 
-		$docNames = array_map(function ($item) {
-			return $item->dokument_kurzbz;
-		}, $resultPreDoc);
+		$mergedArray = [];
 
-		foreach($docNames as $doc)
+		foreach ($resultPreDoc as $pre)
 		{
-			$result = $this->AkteModel->getAktenFAS($person_id, $doc, $studiengang_kz, $prestudent_id, true);
+			$result = $this->AkteModel->getAktenFAS($person_id, $pre->dokument_kurzbz, $studiengang_kz, $prestudent_id, true);
 
 			if (isError($result))
-			{
 				return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
-			}
+
 			if (hasData($result))
 			{
-				$data = getData($result);
-				foreach ($data as $value)
+				foreach (getData($result) as $doc)
 				{
-					array_push($arrayAccepted, $value);
+					$merged = clone $doc;
+					$merged->docdatum = $pre->docdatum;
+					$merged->insertvonma = $pre->insertvonma;
+					$merged->bezeichnung = $pre->bezeichnung;
+					$mergedArray[] = $merged;
 				}
 			}
-		}
-
-		//Mapping with document_kurzbz
-		$preDocMap = [];
-		foreach ($resultPreDoc as $pre) {
-			$preDocMap[$pre->dokument_kurzbz] = $pre;
-		}
-
-		$mergedArray = [];
-		foreach ($arrayAccepted as $doc) {
-			$merged = clone $doc;
-
-			if (isset($preDocMap[$doc->dokument_kurzbz])) {
-				$merged->docdatum = $preDocMap[$doc->dokument_kurzbz]->docdatum;
-				$merged->insertvonma = $preDocMap[$doc->dokument_kurzbz]->insertvonma;
-				$merged->bezeichnung = $preDocMap[$doc->dokument_kurzbz]->bezeichnung;
-			} else {
-				$merged->akzeptiertdatum = null;
-				$merged->akzeptiertvon = null;
+			else
+			{
+				$mergedArray[] = $pre;
 			}
-
-			$mergedArray[] = $merged;
 		}
 
 		$this->terminateWithSuccess($mergedArray);
diff --git a/application/controllers/api/frontend/v1/stv/Konto.php b/application/controllers/api/frontend/v1/stv/Konto.php
index ecd58671a..d59bc76b0 100644
--- a/application/controllers/api/frontend/v1/stv/Konto.php
+++ b/application/controllers/api/frontend/v1/stv/Konto.php
@@ -48,7 +48,8 @@ class Konto extends FHCAPI_Controller
 
 		// Load language phrases
 		$this->loadPhrases([
-			'konto'
+			'konto',
+			'lehre'
 		]);
 	}
 
@@ -112,7 +113,7 @@ class Konto extends FHCAPI_Controller
 	 *
 	 * @return void
 	 */
-	public function getBuchungstypen()
+	public function getBuchungstypen($studiensemester_kurzbz = null)
 	{
 		$this->load->model('crm/Buchungstyp_model', 'BuchungstypModel');
 
@@ -122,6 +123,7 @@ class Konto extends FHCAPI_Controller
 
 		$data = $this->getDataOrTerminateWithError($result);
 
+		$this->_getOEHBeitrag($data, $studiensemester_kurzbz);
 		$this->terminateWithSuccess($data);
 	}
 
@@ -494,4 +496,43 @@ class Konto extends FHCAPI_Controller
 
 		$this->terminateWithSuccess();
 	}
+
+	private function _getOEHBeitrag(&$data, $studiensemester_kurzbz = null)
+	{
+		if (is_null($studiensemester_kurzbz))
+		{
+			$this->load->library('VariableLib', ['uid' => getAuthUID()]);
+			$studiensemester_akt = $this->variablelib->getVar('semester_aktuell');
+		}
+		else
+		{
+			$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+			if ($this->StudiensemesterModel->isValidStudiensemester($studiensemester_kurzbz))
+				$studiensemester_akt = $studiensemester_kurzbz;
+			else
+				$this->terminateWithError($this->p->t('lehre', 'error_noStudiensemester'));
+		}
+
+		$this->load->model('codex/Oehbeitrag_model', 'OehbeitragModel');
+		$oehBeitrag = $this->OehbeitragModel->getByStudiensemester($studiensemester_akt);
+
+		$oehStandardbetrag = null;
+		if (hasData($oehBeitrag))
+		{
+			$oeh = getData($oehBeitrag)[0];
+			$summe = ($oeh->studierendenbeitrag + $oeh->versicherung) * -1;
+			$oehStandardbetrag = number_format((float)$summe, 2, '.', '');
+		}
+
+		if ($oehStandardbetrag !== null)
+		{
+			$data = array_map(function ($buchungstyp) use ($oehStandardbetrag) {
+				if (isset($buchungstyp->buchungstyp_kurzbz) && (strtolower($buchungstyp->buchungstyp_kurzbz) === 'oeh'))
+				{
+					$buchungstyp->standardbetrag = $oehStandardbetrag;
+				}
+				return $buchungstyp;
+			}, $data);
+		}
+	}
 }
diff --git a/application/controllers/api/frontend/v1/stv/Students.php b/application/controllers/api/frontend/v1/stv/Students.php
index f87e527e0..047652452 100644
--- a/application/controllers/api/frontend/v1/stv/Students.php
+++ b/application/controllers/api/frontend/v1/stv/Students.php
@@ -25,9 +25,6 @@ if (! defined('BASEPATH')) exit('No direct script access allowed');
  */
 class Students extends FHCAPI_Controller
 {
-	private $allowedStgs = [];
-
-
 	public function __construct()
 	{
 		$permissions = [];
@@ -35,16 +32,17 @@ class Students extends FHCAPI_Controller
 		$permissions[$router->method] = ['admin:r', 'assistenz:r'];
 		parent::__construct($permissions);
 
-		$this->allowedStgs = $this->permissionlib->getSTG_isEntitledFor('admin') ?: [];
-		$this->allowedStgs = array_merge($this->allowedStgs, $this->permissionlib->getSTG_isEntitledFor('assistenz') ?: []);
+		$allowedStgs = $this->permissionlib->getSTG_isEntitledFor('admin') ?: [];
+		$allowedStgs = array_merge($allowedStgs, $this->permissionlib->getSTG_isEntitledFor('assistenz') ?: []);
 		
-		if (!$this->allowedStgs) {
+		if (!$allowedStgs) {
 			$this->_outputAuthError([$router->method => ['admin:r', 'assistenz:r']]);
 			exit;
 		}
 
 		// Load Libraries
 		$this->load->library('PhrasesLib');
+		$this->load->library('stv/StudentListLib', ['allowedStgs' => $allowedStgs]);
 		$this->loadPhrases(
 			array(
 				'lehre'
@@ -111,23 +109,19 @@ class Students extends FHCAPI_Controller
 		]);
 		
 
-		$this->load->model('crm/Prestudent_model', 'PrestudentModel');
-
-
-		$this->PrestudentModel->addJoin(
+		$this->studentlistlib->addJoin(
 			"(
 				SELECT prestudent_id 
 				FROM public.tbl_prestudentstatus
 				WHERE status_kurzbz = 'Incoming'
 				AND studiensemester_kurzbz = " . $this->PrestudentModel->escape($studiensemester_kurzbz) . "
 			) test",
-			"prestudent_id"
+			"prestudent_id",
+			"",
+			"start"
 		);
 
-
-		$this->prepareQuery($studiensemester_kurzbz);
-
-		$this->PrestudentModel->addSelect("COALESCE(
+		$this->studentlistlib->addSelect("COALESCE(
 			v.semester::text, 
 			CASE 
 				WHEN pls.status_kurzbz IN ('Aufgenommener', 'Bewerber', 'Wartender', 'interessent') 
@@ -135,16 +129,13 @@ class Students extends FHCAPI_Controller
 				ELSE ''::text 
 			END
 		) AS semester", false);
-		$this->PrestudentModel->addSelect("COALESCE(v.verband::text, ''::text)");
-		$this->PrestudentModel->addSelect("COALESCE(v.gruppe::text, ''::text)");
-		
-		$this->addSelectPrioRel();
+		$this->studentlistlib->addSelect("COALESCE(v.verband::text, ''::text) AS verband");
+		$this->studentlistlib->addSelect("COALESCE(v.gruppe::text, ''::text) AS gruppe");
+
 
 		$this->addFilter($studiensemester_kurzbz);
 
-
-		$result = $this->PrestudentModel->load();
-		
+		$result = $this->studentlistlib->execute($studiensemester_kurzbz);
 
 		$data = $this->getDataOrTerminateWithError($result);
 
@@ -164,10 +155,7 @@ class Students extends FHCAPI_Controller
 		]);
 		
 
-		$this->load->model('crm/Prestudent_model', 'PrestudentModel');
-
-
-		$this->PrestudentModel->addJoin(
+		$this->studentlistlib->addJoin(
 			"(
 				SELECT prestudent_id 
 				FROM bis.tbl_bisio bis 
@@ -187,14 +175,12 @@ class Students extends FHCAPI_Controller
 				) AND stdsem.studiensemester_kurzbz = " . $this->PrestudentModel->escape($studiensemester_kurzbz) . "
 				GROUP BY prestudent_id
 			) test",
-			"prestudent_id"
+			"prestudent_id",
+			"",
+			"start"
 		);
 
-
-		$this->prepareQuery($studiensemester_kurzbz);
-
-
-		$this->PrestudentModel->addSelect("COALESCE(
+		$this->studentlistlib->addSelect("COALESCE(
 			v.semester::text, 
 			CASE 
 				WHEN pls.status_kurzbz IN ('Aufgenommener', 'Bewerber', 'Wartender', 'interessent') 
@@ -202,16 +188,13 @@ class Students extends FHCAPI_Controller
 				ELSE ''::text 
 			END
 		) AS semester", false);
-		$this->PrestudentModel->addSelect("COALESCE(v.verband::text, ''::text)");
-		$this->PrestudentModel->addSelect("COALESCE(v.gruppe::text, ''::text)");
+		$this->studentlistlib->addSelect("COALESCE(v.verband::text, ''::text) AS verband");
+		$this->studentlistlib->addSelect("COALESCE(v.gruppe::text, ''::text) AS gruppe");
 		
-		$this->addSelectPrioRel();
 
 		$this->addFilter($studiensemester_kurzbz);
 
-
-		$result = $this->PrestudentModel->load();
-		
+		$result = $this->studentlistlib->execute($studiensemester_kurzbz);
 
 		$data = $this->getDataOrTerminateWithError($result);
 
@@ -231,23 +214,18 @@ class Students extends FHCAPI_Controller
 		]);
 		
 
-		$this->load->model('crm/Prestudent_model', 'PrestudentModel');
-
-
-		$this->PrestudentModel->addJoin(
+		$this->studentlistlib->addJoin(
 			"(
 				SELECT prestudent_id
 				FROM bis.tbl_mobilitaet 
 				WHERE studiensemester_kurzbz = " . $this->PrestudentModel->escape($studiensemester_kurzbz) . "
 			) bis",
-			"prestudent_id"
+			"prestudent_id",
+			"",
+			"start"
 		);
 
-
-		$this->prepareQuery($studiensemester_kurzbz);
-
-
-		$this->PrestudentModel->addSelect("COALESCE(
+		$this->studentlistlib->addSelect("COALESCE(
 			v.semester::text, 
 			CASE 
 				WHEN pls.status_kurzbz IN ('Aufgenommener', 'Bewerber', 'Wartender', 'interessent') 
@@ -255,16 +233,13 @@ class Students extends FHCAPI_Controller
 				ELSE ''::text 
 			END
 		) AS semester", false);
-		$this->PrestudentModel->addSelect("COALESCE(v.verband::text, ''::text)");
-		$this->PrestudentModel->addSelect("COALESCE(v.gruppe::text, ''::text)");
+		$this->studentlistlib->addSelect("COALESCE(v.verband::text, ''::text) AS verband");
+		$this->studentlistlib->addSelect("COALESCE(v.gruppe::text, ''::text) AS gruppe");
 		
-		$this->addSelectPrioRel();
 
 		$this->addFilter($studiensemester_kurzbz);
 
-
-		$result = $this->PrestudentModel->load();
-		
+		$result = $this->studentlistlib->execute($studiensemester_kurzbz);
 
 		$data = $this->getDataOrTerminateWithError($result);
 
@@ -313,8 +288,6 @@ class Students extends FHCAPI_Controller
 	 */
 	protected function fetchPrestudents($studiengang_kz, $studiensemester_kurzbz = null, $filter = null, $orgform_kurzbz = null)
 	{
-		$this->load->model('crm/Prestudent_model', 'PrestudentModel');
-
 		$stdsemEsc = $studiensemester_kurzbz ? $this->PrestudentModel->escape($studiensemester_kurzbz) : 'NULL';
 
 		$selectRT = "
@@ -331,38 +304,38 @@ class Students extends FHCAPI_Controller
 			AND r.studiensemester_kurzbz=" . $stdsemEsc;
 
 		
-		$where = ['tbl_prestudent.studiengang_kz' => $studiengang_kz];
+		$this->studentlistlib->addWhere('tbl_prestudent.studiengang_kz', $studiengang_kz);
 
 		if ($orgform_kurzbz) {
-			$where['ps.orgform_kurzbz'] = $orgform_kurzbz;
+			$this->studentlistlib->addWhere('ps.orgform_kurzbz', $orgform_kurzbz);
 		}
 
 		switch ($filter) {
 			case "interessenten":
-				$where['ps.status_kurzbz'] = 'Interessent';
+				$this->studentlistlib->addWhere('ps.status_kurzbz', 'Interessent');
 				break;
 			case "bewerbungnichtabgeschickt":
-				$where['ps.status_kurzbz'] = 'Interessent';
-				$where['ps.bewerbung_abgeschicktamum'] = null;
+				$this->studentlistlib->addWhere('ps.status_kurzbz', 'Interessent');
+				$this->studentlistlib->addWhere('ps.bewerbung_abgeschicktamum IS NULL');
 				break;
 			case "bewerbungabgeschickt":
-				$where['ps.status_kurzbz'] = 'Interessent';
-				$where['ps.bewerbung_abgeschicktamum IS NOT NULL'] = null;
-				$where['ps.bestaetigtam'] = null;
+				$this->studentlistlib->addWhere('ps.status_kurzbz', 'Interessent');
+				$this->studentlistlib->addWhere('ps.bewerbung_abgeschicktamum IS NOT NULL');
+				$this->studentlistlib->addWhere('ps.bestaetigtam IS NULL');
 				break;
 			case "statusbestaetigt":
-				$where['ps.status_kurzbz'] = 'Interessent';
-				$where['ps.bestaetigtam IS NOT NULL'] = null;
+				$this->studentlistlib->addWhere('ps.status_kurzbz', 'Interessent');
+				$this->studentlistlib->addWhere('ps.bestaetigtam IS NOT NULL');
 				break;
 			case "statusbestaetigtrtnichtangemeldet":
-				$where['ps.status_kurzbz'] = 'Interessent';
-				$where['ps.bestaetigtam IS NOT NULL'] = null;
-				$this->PrestudentModel->db->where('NOT EXISTS(' . $selectRT . ')', null, false);
+				$this->studentlistlib->addWhere('ps.status_kurzbz', 'Interessent');
+				$this->studentlistlib->addWhere('ps.bestaetigtam IS NOT NULL');
+				$this->studentlistlib->addWhere('NOT EXISTS(' . $selectRT . ')', null, false);
 				break;
 			case "statusbestaetigtrtangemeldet":
-				$where['ps.status_kurzbz'] = 'Interessent';
-				$where['ps.bestaetigtam IS NOT NULL'] = null;
-				$this->PrestudentModel->db->where('EXISTS(' . $selectRT . ')', null, false);
+				$this->studentlistlib->addWhere('ps.status_kurzbz', 'Interessent');
+				$this->studentlistlib->addWhere('ps.bestaetigtam IS NOT NULL');
+				$this->studentlistlib->addWhere('EXISTS(' . $selectRT . ')', null, false);
 				break;
 			case "zgv":
 				$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
@@ -374,69 +347,69 @@ class Students extends FHCAPI_Controller
 					$this->terminateWithSuccess([]);
 				$stg = current($stg);
 
-				$where['ps.status_kurzbz'] = 'Interessent';
+				$this->studentlistlib->addWhere('ps.status_kurzbz', 'Interessent');
 				
 				if ($stg->typ == 'm') {
-					$where['zgvmas_code IS NOT NULL'] = null;
+					$this->studentlistlib->addWhere('zgvmas_code IS NOT NULL');
 					if (defined('ZGV_ERFUELLT_ANZEIGEN') && ZGV_ERFUELLT_ANZEIGEN)
-						$where['zgvmas_erfuellt'] = true;
+						$this->studentlistlib->addWhere('zgvmas_erfuellt', true);
 				} elseif ($stg->typ == 'p') {
-					$where['zgvdoktor_code IS NOT NULL'] = null;
+					$this->studentlistlib->addWhere('zgvdoktor_code IS NOT NULL');
 					if (defined('ZGV_DOKTOR_ANZEIGEN') && ZGV_DOKTOR_ANZEIGEN)
-						$where['zgvdoktor_erfuellt'] = true;
+						$this->studentlistlib->addWhere('zgvdoktor_erfuellt', true);
 				} else {
-					$where['zgv_code IS NOT NULL'] = null;
+					$this->studentlistlib->addWhere('zgv_code IS NOT NULL');
 					if (defined('ZGV_ERFUELLT_ANZEIGEN') && ZGV_ERFUELLT_ANZEIGEN)
-						$where['zgv_erfuellt'] = true;
+						$this->studentlistlib->addWhere('zgv_erfuellt', true);
 				}
 				break;
 			case "reihungstestangemeldet":
-				$where['ps.status_kurzbz'] = 'Interessent';
-				$this->PrestudentModel->db->where('EXISTS(' . $selectRT . ')', null, false);
+				$this->studentlistlib->addWhere('ps.status_kurzbz', 'Interessent');
+				$this->studentlistlib->addWhere('EXISTS(' . $selectRT . ')', null, false);
 				break;
 			case "reihungstestnichtangemeldet":
-				$where['ps.status_kurzbz'] = 'Interessent';
-				$this->PrestudentModel->db->where('NOT EXISTS(' . $selectRT . ')', null, false);
+				$this->studentlistlib->addWhere('ps.status_kurzbz', 'Interessent');
+				$this->studentlistlib->addWhere('NOT EXISTS(' . $selectRT . ')', null, false);
 				break;
 			case "bewerber":
-				$where['ps.status_kurzbz'] = 'Bewerber';
+				$this->studentlistlib->addWhere('ps.status_kurzbz', 'Bewerber');
 				break;
 			case "bewerberrtnichtangemeldet":
-				$where['ps.status_kurzbz'] = 'Bewerber';
-				$this->PrestudentModel->db->where('NOT EXISTS(' . $selectRT . ')', null, false);
+				$this->studentlistlib->addWhere('ps.status_kurzbz', 'Bewerber');
+				$this->studentlistlib->addWhere('NOT EXISTS(' . $selectRT . ')', null, false);
 				break;
 			case "bewerberrtangemeldet":
-				$where['ps.status_kurzbz'] = 'Bewerber';
-				$this->PrestudentModel->db->where('EXISTS(' . $selectRT . ')', null, false);
+				$this->studentlistlib->addWhere('ps.status_kurzbz', 'Bewerber');
+				$this->studentlistlib->addWhere('EXISTS(' . $selectRT . ')', null, false);
 				break;
 			case "bewerberrtangemeldetteilgenommen":
-				$where['ps.status_kurzbz'] = 'Bewerber';
-				$this->PrestudentModel->db->where('EXISTS(' . $selectRT . ')', null, false);
-				$where['reihungstestangetreten'] = true;
+				$this->studentlistlib->addWhere('ps.status_kurzbz', 'Bewerber');
+				$this->studentlistlib->addWhere('EXISTS(' . $selectRT . ')', null, false);
+				$this->studentlistlib->addWhere('reihungstestangetreten', true);
 				break;
 			case "bewerberrtangemeldetnichtteilgenommen":
-				$where['ps.status_kurzbz'] = 'Bewerber';
-				$this->PrestudentModel->db->where('EXISTS(' . $selectRT . ')', null, false);
-				$where['reihungstestangetreten'] = false;
+				$this->studentlistlib->addWhere('ps.status_kurzbz', 'Bewerber');
+				$this->studentlistlib->addWhere('EXISTS(' . $selectRT . ')', null, false);
+				$this->studentlistlib->addWhere('reihungstestangetreten', false);
 				break;
 			case "aufgenommen":
-				$where['ps.status_kurzbz'] = 'Aufgenommener';
+				$this->studentlistlib->addWhere('ps.status_kurzbz', 'Aufgenommener');
 				break;
 			case "warteliste":
-				$where['ps.status_kurzbz'] = 'Wartender';
+				$this->studentlistlib->addWhere('ps.status_kurzbz', 'Wartender');
 				break;
 			case "absage":
-				$where['ps.status_kurzbz'] = 'Abgewiesener';
+				$this->studentlistlib->addWhere('ps.status_kurzbz', 'Abgewiesener');
 				break;
 			case "incoming":
 				// NOTE(chris): in FAS it was not filtered for studiengang_kz
-				$where['ps.status_kurzbz'] = 'Incoming';
+				$this->studentlistlib->addWhere('ps.status_kurzbz', 'Incoming');
 				break;
 			case "absolvent":
-				$where['ps.status_kurzbz'] = 'Absolvent';
+				$this->studentlistlib->addWhere('ps.status_kurzbz', 'Absolvent');
 				break;
 			case "diplomand":
-				$where['ps.status_kurzbz'] = 'Diplomand';
+				$this->studentlistlib->addWhere('ps.status_kurzbz', 'Diplomand');
 				break;
 			default:
 				if (!$studiensemester_kurzbz) {
@@ -444,9 +417,9 @@ class Students extends FHCAPI_Controller
 					 * show all prestudents in this stg who don't have a status
 					 * $orgform_kurzbz does not change the results since orgform is stored in the status table
 					 */
-					$where['ps.status_kurzbz'] = null;
+					$this->studentlistlib->addWhere('ps.status_kurzbz IS NULL');
 				} else {
-					$this->PrestudentModel->db->where_in('ps.status_kurzbz', [
+					$this->studentlistlib->addWhere('ps.status_kurzbz', [
 						'Interessent',
 						'Bewerber',
 						'Aufgenommener',
@@ -457,21 +430,19 @@ class Students extends FHCAPI_Controller
 				break;
 		}
 
-		$this->prepareQuery($studiensemester_kurzbz);
-		
-		$this->PrestudentModel->addSelect("
+		$this->studentlistlib->addSelect("
 			CASE 
 				WHEN pls.status_kurzbz IN ('Aufgenommener', 'Bewerber', 'Wartender', 'interessent') 
 				THEN ps.ausbildungssemester::text 
 				ELSE ''::text 
 			END AS semester", false);
-		$this->PrestudentModel->addSelect("'' AS verband");
-		$this->PrestudentModel->addSelect("'' AS gruppe");
-		$this->addSelectPrioRel();
+		$this->studentlistlib->addSelect("'' AS verband");
+		$this->studentlistlib->addSelect("'' AS gruppe");
+
 
 		$this->addFilter($studiensemester_kurzbz);
 
-		$result = $this->PrestudentModel->loadWhere($where);
+		$result = $this->studentlistlib->execute($studiensemester_kurzbz);
 
 		$data = $this->getDataOrTerminateWithError($result);
 
@@ -574,7 +545,6 @@ class Students extends FHCAPI_Controller
 		$gruppe_kurzbz = null,
 		$orgform_kurzbz = null
 	) {
-		$this->load->model('crm/Prestudent_model', 'PrestudentModel');
 		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
 
 		if (!$this->StudiensemesterModel->isValidStudiensemester($studiensemester_kurzbz))
@@ -582,34 +552,29 @@ class Students extends FHCAPI_Controller
 			$this->terminateWithError($studiensemester_kurzbz . ' - ' . $this->p->t('lehre', 'error_noStudiensemester'));
 		}
 
-		$this->prepareQuery($studiensemester_kurzbz, '');
+		// NOTE(chris): overwrite 'LEFT JOIN' with 'JOIN'
+		$this->studentlistlib->addJoin("public.tbl_student s", "prestudent_id");
 
-		$this->PrestudentModel->addSelect('v.semester');
-		$this->PrestudentModel->addSelect('v.verband');
-		$this->PrestudentModel->addSelect('v.gruppe');
-		$this->PrestudentModel->addSelect("'' AS priorisierung_relativ");
-
-
-		$where = [];
+		$this->studentlistlib->addSelect("'' AS priorisierung_relativ");
 
 		if ($gruppe_kurzbz !== null) {
-			$this->PrestudentModel->addJoin('public.tbl_benutzergruppe g', 'uid');
-			$where['g.gruppe_kurzbz'] = $gruppe_kurzbz;
-			$where['g.studiensemester_kurzbz'] = $studiensemester_kurzbz;
+			$this->studentlistlib->addJoin('public.tbl_benutzergruppe g', 'uid', '', 'after_b');
+			$this->studentlistlib->addWhere('g.gruppe_kurzbz', $gruppe_kurzbz);
+			$this->studentlistlib->addWhere('g.studiensemester_kurzbz', $studiensemester_kurzbz);
 		} else {
-			$where['v.studiengang_kz'] = $studiengang_kz;
+			$this->studentlistlib->addWhere('v.studiengang_kz', $studiengang_kz);
 
 			if ($semester !== null)
-				$where['v.semester'] = $semester;
+				$this->studentlistlib->addWhere('v.semester', $semester);
 
 			if ($verband !== null)
-				$where['v.verband'] = $verband;
+				$this->studentlistlib->addWhere('v.verband', $verband);
 
 			if ($gruppe !== null)
-				$where['v.gruppe'] = $gruppe;
+				$this->studentlistlib->addWhere('v.gruppe', $gruppe);
 	
 			if (!$verband && !$gruppe && $orgform_kurzbz !== null) {
-				$this->PrestudentModel->db->where(
+				$this->studentlistlib->addWhere(
 					"(
 						SELECT orgform_kurzbz
 						FROM public.tbl_prestudentstatus 
@@ -623,9 +588,10 @@ class Students extends FHCAPI_Controller
 			}
 		}
 
+
 		$this->addFilter($studiensemester_kurzbz);
 
-		$result = $this->PrestudentModel->loadWhere($where);
+		$result = $this->studentlistlib->execute($studiensemester_kurzbz);
 
 		$data = $this->getDataOrTerminateWithError($result);
 
@@ -652,11 +618,8 @@ class Students extends FHCAPI_Controller
 			$this->terminateWithError($studiensemester_kurzbz . ' - ' . $this->p->t('lehre', 'error_noStudiensemester'));
 		}
 
-		$this->load->model('crm/Prestudent_model', 'PrestudentModel');
-
-		$this->prepareQuery($studiensemester_kurzbz);
-
-		$this->PrestudentModel->addSelect("COALESCE(
+		
+		$this->studentlistlib->addSelect("COALESCE(
 			v.semester::text, 
 			CASE 
 				WHEN pls.status_kurzbz IN ('Aufgenommener', 'Bewerber', 'Wartender', 'interessent') 
@@ -664,16 +627,15 @@ class Students extends FHCAPI_Controller
 				ELSE ''::text 
 			END
 		) AS semester", false);
-		$this->PrestudentModel->addSelect("COALESCE(v.verband::text, ''::text)");
-		$this->PrestudentModel->addSelect("COALESCE(v.gruppe::text, ''::text)");
+		$this->studentlistlib->addSelect("COALESCE(v.verband::text, ''::text) AS verband");
+		$this->studentlistlib->addSelect("COALESCE(v.gruppe::text, ''::text) AS gruppe");
+
+		$this->studentlistlib->addWhere('tbl_prestudent.prestudent_id', $prestudent_id);
 
-		$this->addSelectPrioRel();
 
 		$this->addFilter($studiensemester_kurzbz);
 
-		$result = $this->PrestudentModel->loadWhere([
-			'tbl_prestudent.prestudent_id' => $prestudent_id
-		]);
+		$result = $this->studentlistlib->execute($studiensemester_kurzbz);
 
 		$data = $this->getDataOrTerminateWithError($result);
 
@@ -700,23 +662,13 @@ class Students extends FHCAPI_Controller
 			$this->terminateWithError($studiensemester_kurzbz . ' - ' . $this->p->t('lehre', 'error_noStudiensemester'));
 		}
 
-		$this->load->model('crm/Prestudent_model', 'PrestudentModel');
-
-		$this->prepareQuery($studiensemester_kurzbz);
-
-		$this->PrestudentModel->addSelect('v.semester');
-		$this->PrestudentModel->addSelect('v.verband');
-		$this->PrestudentModel->addSelect('v.gruppe');
-
-		$this->addSelectPrioRel();
-
 
+		$this->studentlistlib->addWhere('s.student_uid', $student_uid);
+		
 
 		$this->addFilter($studiensemester_kurzbz);
 
-		$result = $this->PrestudentModel->loadWhere([
-			's.student_uid' => $student_uid
-		]);
+		$result = $this->studentlistlib->execute($studiensemester_kurzbz);
 		
 		$data = $this->getDataOrTerminateWithError($result);
 
@@ -744,21 +696,13 @@ class Students extends FHCAPI_Controller
 			$this->terminateWithError($studiensemester_kurzbz . ' - ' . $this->p->t('lehre', 'error_noStudiensemester'));
 		}
 
-		$this->load->model('crm/Prestudent_model', 'PrestudentModel');
 
-		$this->prepareQuery($studiensemester_kurzbz);
-
-		$this->PrestudentModel->addSelect('v.semester');
-		$this->PrestudentModel->addSelect('v.verband');
-		$this->PrestudentModel->addSelect('v.gruppe');
-
-		$this->addSelectPrioRel();
+		$this->studentlistlib->addWhere('p.person_id', $person_id);
 
+		
 		$this->addFilter($studiensemester_kurzbz);
 
-		$result = $this->PrestudentModel->loadWhere([
-			'p.person_id' => $person_id
-		]);
+		$result = $this->studentlistlib->execute($studiensemester_kurzbz);
 		
 		$data = $this->getDataOrTerminateWithError($result);
 
@@ -790,29 +734,8 @@ class Students extends FHCAPI_Controller
 
 		$data = $this->getDataOrTerminateWithError($result);
 
-
-		$this->load->model('crm/Prestudent_model', 'PrestudentModel');
-
-		$this->prepareQuery($studiensemester_kurzbz);
-
-		$this->PrestudentModel->addSelect("COALESCE(v.semester::text, CASE WHEN public.get_rolle_prestudent(tbl_prestudent.prestudent_id, NULL) IN ('Aufgenommener', 'Bewerber', 'Wartender', 'interessent') THEN public.get_absem_prestudent(tbl_prestudent.prestudent_id, NULL)::text ELSE ''::text END) AS semester", false);
-		$this->PrestudentModel->addSelect('v.verband');
-		$this->PrestudentModel->addSelect('v.gruppe');
-
-		//add status per semester
-		$this->PrestudentModel->addSelect(
-			"public.get_rolle_prestudent(public.tbl_prestudent.prestudent_id, "
-				. $this->PrestudentModel->escape($studiensemester_kurzbz)
-				. ")  AS statusofsemester"
-		);
-
-		$this->addSelectPrioRel();
-
-		$this->addFilter($studiensemester_kurzbz);
-
 		$prestudent_ids = [];
 		$student_uids = [];
-			$this->addMeta('data', $data);
 		foreach ($data as $row) {
 			$dataset = json_decode($row->data);
 			if ($row->type == 'prestudent') {
@@ -822,197 +745,38 @@ class Students extends FHCAPI_Controller
 			}
 		}
 
+
+		$this->studentlistlib->addSelect("COALESCE(
+			v.semester::text, 
+			CASE 
+				WHEN public.get_rolle_prestudent(tbl_prestudent.prestudent_id, NULL) IN ('Aufgenommener', 'Bewerber', 'Wartender', 'interessent') 
+				THEN public.get_absem_prestudent(tbl_prestudent.prestudent_id, NULL)::text 
+				ELSE ''::text 
+			END
+		) AS semester", false);
+
+
 		if ($prestudent_ids && $student_uids) {
-			$this->PrestudentModel->db->where_in('tbl_prestudent.prestudent_id', $prestudent_ids);
-			$this->PrestudentModel->db->or_where_in('s.student_uid', $student_uids);
+			$this->studentlistlib->addWhere('tbl_prestudent.prestudent_id', $prestudent_ids);
+			$this->studentlistlib->addOrWhere('s.student_uid', $student_uids);
 		} elseif ($prestudent_ids) {
-			$this->PrestudentModel->db->where_in('tbl_prestudent.prestudent_id', $prestudent_ids);
+			$this->studentlistlib->addWhere('tbl_prestudent.prestudent_id', $prestudent_ids);
 		} elseif ($student_uids) {
-			$this->PrestudentModel->db->where_in('s.student_uid', $student_uids);
+			$this->studentlistlib->addWhere('s.student_uid', $student_uids);
 		} else {
 			$this->terminateWithSuccess([]);
 		}
 
-		$result = $this->PrestudentModel->load();
+
+		$this->addFilter($studiensemester_kurzbz);
+
+		$result = $this->studentlistlib->execute($studiensemester_kurzbz);
 
 		$data = $this->getDataOrTerminateWithError($result);
 
 		$this->terminateWithSuccess($data);
 	}
 
-	/**
-	 * @param string|null	$studiensemester_kurzbz
-	 * @param string		$type
-	 *
-	 * @return void
-	 */
-	protected function prepareQuery($studiensemester_kurzbz, $type = 'LEFT')
-	{
-		$stdsemEsc = $studiensemester_kurzbz ? $this->PrestudentModel->escape($studiensemester_kurzbz) : 'NULL';
-
-		$this->load->config('stv');
-
-		if(defined('STV_TAGS_ENABLED') && STV_TAGS_ENABLED)
-		{
-			$tags = $this->config->item('stv_prestudent_tags');
-
-			$whereTags = '';
-			if (is_array($tags) && !isEmptyArray($tags)) {
-				$tags = array_keys($tags);
-
-				foreach ($tags as $key => $tag) {
-					$tags[$key] = $this->db->escape($tag);
-				}
-				$whereTags = " AND nt.typ_kurzbz IN (" . implode(",", $tags) . ")";
-			}
-			$subQueryTag = "
-			  (
-				SELECT
-				  tag.prestudent_id,
-				  COALESCE(json_agg(tag ORDER BY tag.done), '[]'::json) AS tags
-				FROM (
-				  SELECT DISTINCT ON (n.notiz_id)
-					n.notiz_id AS id,
-					nt.typ_kurzbz,
-					array_to_json(nt.bezeichnung_mehrsprachig)->>0 AS beschreibung,
-					n.text AS notiz,
-					nt.style,
-					n.erledigt AS done,
-					nz.prestudent_id
-				  FROM public.tbl_notizzuordnung AS nz
-					JOIN public.tbl_notiz AS n ON nz.notiz_id = n.notiz_id
-					JOIN public.tbl_notiz_typ AS nt ON n.typ = nt.typ_kurzbz "
-				. $whereTags .
-				"
-				) AS tag
-				GROUP BY tag.prestudent_id
-			  ) AS tag_data_agg
-			";
-		}
-
-		$this->PrestudentModel->addJoin('public.tbl_studiengang stg', 'studiengang_kz', 'LEFT');
-		$this->PrestudentModel->addJoin('public.tbl_person p', 'person_id');
-		$this->PrestudentModel->addJoin('public.tbl_student s', 'prestudent_id', $type);
-		$this->PrestudentModel->addJoin('public.tbl_prestudentstatus pls', '
-			pls.status_kurzbz=public.get_rolle_prestudent(tbl_prestudent.prestudent_id, NULL) 
-			AND pls.prestudent_id=tbl_prestudent.prestudent_id 
-			AND pls.studiensemester_kurzbz=public.get_stdsem_prestudent(tbl_prestudent.prestudent_id, NULL) 
-			AND pls.ausbildungssemester=public.get_absem_prestudent(tbl_prestudent.prestudent_id, NULL)', 'LEFT');
-		$this->PrestudentModel->addJoin('lehre.tbl_studienplan sp', 'studienplan_id', 'LEFT');
-		$this->PrestudentModel->addJoin('public.tbl_benutzer b', 's.student_uid=b.uid', 'LEFT');
-		$this->PrestudentModel->addJoin(
-			'public.tbl_studentlehrverband v',
-			'v.student_uid=s.student_uid AND v.studiensemester_kurzbz' . ($studiensemester_kurzbz ? '=' . $stdsemEsc : ' IS NULL'),
-			$type
-		);
-		$this->PrestudentModel->addJoin('public.tbl_prestudentstatus ps', '
-			ps.status_kurzbz=public.get_rolle_prestudent(tbl_prestudent.prestudent_id, ' . $stdsemEsc . ') 
-			AND ps.prestudent_id=tbl_prestudent.prestudent_id 
-			AND ps.studiensemester_kurzbz=public.get_stdsem_prestudent(tbl_prestudent.prestudent_id, ' . $stdsemEsc . ') 
-			AND ps.ausbildungssemester=public.get_absem_prestudent(tbl_prestudent.prestudent_id, ' . $stdsemEsc . ')', 'LEFT');
-
-		if(defined('STV_TAGS_ENABLED') && STV_TAGS_ENABLED)
-		{
-			$this->PrestudentModel->addJoin($subQueryTag, 'tag_data_agg.prestudent_id = tbl_prestudent.prestudent_id', 'LEFT');
-		}
-
-
-		$this->PrestudentModel->addSelect("b.uid");
-		if(defined('STV_TAGS_ENABLED') && STV_TAGS_ENABLED)
-		{
-			$this->PrestudentModel->addSelect('tag_data_agg.tags');
-		}
-		$this->PrestudentModel->addSelect('titelpre');
-		$this->PrestudentModel->addSelect('nachname');
-		$this->PrestudentModel->addSelect('vorname');
-		$this->PrestudentModel->addSelect('wahlname');
-		$this->PrestudentModel->addSelect('vornamen');
-		$this->PrestudentModel->addSelect('titelpost');
-		$this->PrestudentModel->addSelect('ersatzkennzeichen');
-		$this->PrestudentModel->addSelect('gebdatum');
-		$this->PrestudentModel->addSelect('geschlecht');
-		$this->PrestudentModel->addSelect('foto');
-		$this->PrestudentModel->addSelect('foto_sperre');
-
-		// semester
-		// verband
-		// gruppe
-
-		//add status per semester
-		$this->PrestudentModel->addSelect(
-			"public.get_rolle_prestudent(public.tbl_prestudent.prestudent_id, "
-				. $this->PrestudentModel->escape($studiensemester_kurzbz)
-				. ")  AS statusofsemester"
-		);
-
-		$this->PrestudentModel->addSelect('UPPER(stg.typ || stg.kurzbz) AS studiengang');
-		$this->PrestudentModel->addSelect('tbl_prestudent.studiengang_kz');
-		$this->PrestudentModel->addSelect('stg.bezeichnung AS stg_bezeichnung');
-		$this->PrestudentModel->addSelect("s.matrikelnr");
-		$this->PrestudentModel->addSelect('p.person_id');
-		$this->PrestudentModel->addSelect('pls.status_kurzbz AS status');
-		$this->PrestudentModel->addSelect('pls.datum AS status_datum');
-		$this->PrestudentModel->addSelect('pls.bestaetigtam AS status_bestaetigung');
-		$this->PrestudentModel->addSelect(
-			"(SELECT kontakt FROM public.tbl_kontakt WHERE kontakttyp='email' AND person_id=p.person_id AND zustellung LIMIT 1) AS mail_privat",
-			false
-		);
-		$this->PrestudentModel->addSelect("
-			CASE WHEN b.uid IS NOT NULL AND b.uid<>'' 
-			THEN CONCAT(b.uid, '@', " . $this->PrestudentModel->escape(DOMAIN) . ")
-			ELSE '' END AS mail_intern", false);
-		$this->PrestudentModel->addSelect('p.anmerkung AS anmerkungen');
-		$this->PrestudentModel->addSelect('tbl_prestudent.anmerkung');
-		$this->PrestudentModel->addSelect('pls.orgform_kurzbz');
-		$this->PrestudentModel->addSelect('aufmerksamdurch_kurzbz');
-		$this->PrestudentModel->addSelect(
-			"(SELECT rt_gesamtpunkte AS punkte FROM public.tbl_prestudent WHERE prestudent_id=ps.prestudent_id) AS punkte",
-			false
-		);
-		$this->PrestudentModel->addSelect('tbl_prestudent.aufnahmegruppe_kurzbz');
-		$this->PrestudentModel->addSelect('tbl_prestudent.dual');
-		$this->PrestudentModel->addSelect('p.matr_nr');
-		$this->PrestudentModel->addSelect('sp.bezeichnung AS studienplan_bezeichnung');
-		$this->PrestudentModel->addSelect('tbl_prestudent.prestudent_id');
-
-		// priorisierung_relativ
-
-		$this->PrestudentModel->addSelect('mentor');
-		$this->PrestudentModel->addSelect('b.aktiv AS bnaktiv');
-		$this->PrestudentModel->addSelect('unruly');
-
-		$this->PrestudentModel->db->where_in('tbl_prestudent.studiengang_kz', $this->allowedStgs);
-
-		$this->PrestudentModel->addOrder('nachname');
-		$this->PrestudentModel->addOrder('vorname');
-	}
-
-	/**
-	 * @return void
-	 */
-	protected function addSelectPrioRel()
-	{
-		$this->PrestudentModel->addSelect("(
-			SELECT count(*)
-			FROM (
-				SELECT *, public.get_rolle_prestudent(pss.prestudent_id, NULL) AS laststatus
-				FROM public.tbl_prestudent pss
-				JOIN public.tbl_prestudentstatus USING (prestudent_id)
-				WHERE person_id = p.person_id
-				AND studiensemester_kurzbz = (
-					SELECT studiensemester_kurzbz
-					FROM public.tbl_prestudentstatus
-					WHERE prestudent_id = tbl_prestudent.prestudent_id
-					AND status_kurzbz = 'Interessent'
-					LIMIT 1
-				)
-				AND status_kurzbz = 'Interessent'
-			) prest
-			WHERE laststatus NOT IN ('Abbrecher', 'Abgewiesener', 'Absolvent')
-			AND priorisierung <= tbl_prestudent.priorisierung
-		) || ' (' || COALESCE(tbl_prestudent.priorisierung::text, ' '::text) || ')' AS priorisierung_relativ", false);
-	}
-
 	/**
 	 * Adds additional filters to the query
 	 *
diff --git a/application/controllers/jobs/AntragJob.php b/application/controllers/jobs/AntragJob.php
index 8dc4870ea..5b72518d2 100644
--- a/application/controllers/jobs/AntragJob.php
+++ b/application/controllers/jobs/AntragJob.php
@@ -40,6 +40,13 @@ class AntragJob extends JOB_Controller
 	 */
 	public function sendStglSammelmail()
 	{
+
+		if ($this->config->item('abmeldung_enabled') !== true &&
+			$this->config->item('abmeldung_stg_enabled') !== true &&
+			$this->config->item('unterbrechung_enabled') !== true &&
+			$this->config->item('wiederholung_enabled') !== true)
+			return $this->logError('Konnte Job nicht starten: Keine der Configs "abmeldung_stg_enabled", "abmeldung_enabled", "unterbrechung_enabled",  "wiederholung_enabled" auf true gesetzt');
+
 		$this->load->model('person/Person_model', 'PersonModel');
 
 		$this->logInfo('Start Job sendStglSammelmail');
@@ -47,25 +54,38 @@ class AntragJob extends JOB_Controller
 		$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
 
 		$this->StudierendenantragModel->addJoin('public.tbl_prestudent', 'prestudent_id');
-		$this->db->group_start();
-		$this->db->where('typ', Studierendenantrag_model::TYP_ABMELDUNG);
-		$this->db->where('campus.get_status_studierendenantrag(studierendenantrag_id)', Studierendenantragstatus_model::STATUS_CREATED);
-		$this->db->group_end();
 
-		$this->db->or_group_start();
-		$this->db->where('typ', Studierendenantrag_model::TYP_ABMELDUNG_STGL);
-		$this->db->where('campus.get_status_studierendenantrag(studierendenantrag_id)', Studierendenantragstatus_model::STATUS_CREATED);
-		$this->db->group_end();
+		if ($this->config->item('abmeldung_enabled') === true)
+		{
+			$this->db->group_start();
+			$this->db->where('typ', Studierendenantrag_model::TYP_ABMELDUNG);
+			$this->db->where('campus.get_status_studierendenantrag(studierendenantrag_id)', Studierendenantragstatus_model::STATUS_CREATED);
+			$this->db->group_end();
+		}
 
-		$this->db->or_group_start();
-		$this->db->where('typ', Studierendenantrag_model::TYP_UNTERBRECHUNG);
-		$this->db->where('campus.get_status_studierendenantrag(studierendenantrag_id)', Studierendenantragstatus_model::STATUS_CREATED);
-		$this->db->group_end();
+		if ($this->config->item('abmeldung_stg_enabled') === true)
+		{
+			$this->db->or_group_start();
+			$this->db->where('typ', Studierendenantrag_model::TYP_ABMELDUNG_STGL);
+			$this->db->where('campus.get_status_studierendenantrag(studierendenantrag_id)', Studierendenantragstatus_model::STATUS_CREATED);
+			$this->db->group_end();
+		}
 
-		$this->db->or_group_start();
-		$this->db->where('typ', Studierendenantrag_model::TYP_WIEDERHOLUNG);
-		$this->db->where('campus.get_status_studierendenantrag(studierendenantrag_id)', Studierendenantragstatus_model::STATUS_LVSASSIGNED);
-		$this->db->group_end();
+		if ($this->config->item('unterbrechung_enabled') === true)
+		{
+			$this->db->or_group_start();
+			$this->db->where('typ', Studierendenantrag_model::TYP_UNTERBRECHUNG);
+			$this->db->where('campus.get_status_studierendenantrag(studierendenantrag_id)', Studierendenantragstatus_model::STATUS_CREATED);
+			$this->db->group_end();
+		}
+
+		if ($this->config->item('wiederholung_enabled') === true)
+		{
+			$this->db->or_group_start();
+			$this->db->where('typ', Studierendenantrag_model::TYP_WIEDERHOLUNG);
+			$this->db->where('campus.get_status_studierendenantrag(studierendenantrag_id)', Studierendenantragstatus_model::STATUS_LVSASSIGNED);
+			$this->db->group_end();
+		}
 
 		$result =  $this->StudierendenantragModel->load();
 		if(isError($result))
@@ -206,6 +226,10 @@ class AntragJob extends JOB_Controller
 	public function sendReminderWiedereinstieg()
 	{
 		$now = new DateTime();
+
+		if ($this->config->item('unterbrechung_enabled') !== true)
+			return $this->logError('Konnte Job nicht starten: Config "unterbrechung_enabled" nicht auf true gesetzt');
+
 		$modifier = $this->config->item('unterbrechung_job_remind_wiedereinstieg_date_modifier');
 
 		if (!$modifier)
@@ -363,6 +387,13 @@ class AntragJob extends JOB_Controller
 	{
 		$this->logInfo('Start Job handleWiederholerDeadline');
 
+		if ($this->config->item('wiederholung_enabled') !== true)
+		{
+			$this->logError('Config "wiederholung_enabled" nicht auf true gesetzt');
+			$this->logInfo('Ende Job handleWiederholerDeadline');
+			return;
+		}
+
 		$this->load->library('PrestudentLib');
 
 		$insertvon = $this->config->item('antrag_job_systemuser');
@@ -481,6 +512,13 @@ class AntragJob extends JOB_Controller
 	{
 		$this->logInfo('Start Job handleAbmeldungenStglDeadline');
 
+		if ($this->config->item('abmeldung_stg_enabled') !== true)
+		{
+			$this->logError('Config "abmeldung_stg_enabled" nicht auf true gesetzt');
+			$this->logInfo('Ende Job handleAbmeldungenStglDeadline');
+			return;
+		}
+
 		$insertvon = $this->config->item('antrag_job_systemuser');
 		if (!$insertvon) {
 			$this->logError('Config "antrag_job_systemuser" nicht gesetzt');
@@ -614,6 +652,13 @@ class AntragJob extends JOB_Controller
 	{
 		$this->logInfo('Start Job sendAufforderungWiederholer');
 
+		if ($this->config->item('wiederholung_enabled') !== true)
+		{
+			$this->logError('Config "wiederholung_enabled" nicht auf true gesetzt');
+			$this->logInfo('Ende Job sendAufforderungWiederholer');
+			return;
+		}
+
 		$modifier_request_1 = $this->config->item('wiederholung_job_request_1_date_modifier');
 		$modifier_request_2 = $this->config->item('wiederholung_job_request_2_date_modifier');
 		$modifier_deadline = $this->config->item('wiederholung_job_deadline_date_modifier');
diff --git a/application/controllers/lehre/Studierendenantrag.php b/application/controllers/lehre/Studierendenantrag.php
index 107c9af96..ebc1d2eaa 100644
--- a/application/controllers/lehre/Studierendenantrag.php
+++ b/application/controllers/lehre/Studierendenantrag.php
@@ -28,7 +28,9 @@ class Studierendenantrag extends FHC_Controller
 			'studierendenantrag'
 		]);
 
-        if (strtolower($this->router->method) === 'leitung')
+		$this->load->config('studierendenantrag');
+
+		if (strtolower($this->router->method) === 'leitung')
         	$this->_isAllowed([
         		'leitung' => ['student/studierendenantrag:r', 'student/antragfreigabe:r']
         	]);
@@ -54,18 +56,27 @@ class Studierendenantrag extends FHC_Controller
 					'bezeichnungStg' => $antrag->bezeichnung,
 					'bezeichnungOrgform' => $antrag->orgform
 				);
-				
-				$result = $this->antraglib->getPrestudentWiederholungsBerechtigt($antrag->prestudent_id);
-				if (getData($result) == 1)
-					$prestudentenArr[$antrag->prestudent_id]['allowedNewTypes'][] = 'Wiederholung';
 
-				$result = $this->antraglib->getPrestudentUnterbrechungsBerechtigt($antrag->prestudent_id);
-				if (getData($result) == 1)
-					$prestudentenArr[$antrag->prestudent_id]['allowedNewTypes'][] = 'Unterbrechung';
+				if ($this->config->item('wiederholung_enabled') === true)
+				{
+					$result = $this->antraglib->getPrestudentWiederholungsBerechtigt($antrag->prestudent_id);
+					if (getData($result) == 1)
+						$prestudentenArr[$antrag->prestudent_id]['allowedNewTypes'][] = 'Wiederholung';
+				}
 
-				$result = $this->antraglib->getPrestudentAbmeldeBerechtigt($antrag->prestudent_id);
-				if (getData($result) == 1)
-					$prestudentenArr[$antrag->prestudent_id]['allowedNewTypes'][] = 'Abmeldung';
+				if ($this->config->item('unterbrechung_enabled') === true)
+				{
+					$result = $this->antraglib->getPrestudentUnterbrechungsBerechtigt($antrag->prestudent_id);
+					if (getData($result) == 1)
+						$prestudentenArr[$antrag->prestudent_id]['allowedNewTypes'][] = 'Unterbrechung';
+				}
+
+				if ($this->config->item('abmeldung_enabled') === true)
+				{
+					$result = $this->antraglib->getPrestudentAbmeldeBerechtigt($antrag->prestudent_id);
+					if (getData($result) == 1)
+						$prestudentenArr[$antrag->prestudent_id]['allowedNewTypes'][] = 'Abmeldung';
+				}
 			}
 			if ($antrag->studierendenantrag_id == null)
 				continue;
@@ -88,45 +99,59 @@ class Studierendenantrag extends FHC_Controller
 
 		$this->load->view('lehre/Antrag/Leitung/List', [
 			'stgA' => $stgA,
-			'stgL' => $stgL
+			'stgL' => $stgL,
+			'abmeldung_enabled' => $this->config->item('abmeldung_stg_enabled')
 		]);
 	}
 
 	public function abmeldung($prestudent_id, $studierendenantrag_id = null)
 	{
-		$this->load->view('lehre/Antrag/Create', [
-			'prestudent_id' => $prestudent_id,
-			'studierendenantrag_id' => $studierendenantrag_id,
-			'antrag_type' => 'Abmeldung'
-		]);
+		if ($this->config->item('abmeldung_enabled') === true)
+		{
+			$this->load->view('lehre/Antrag/Create', [
+				'prestudent_id' => $prestudent_id,
+				'studierendenantrag_id' => $studierendenantrag_id,
+				'antrag_type' => 'Abmeldung'
+			]);
+		}
 	}
 
 	public function abmeldungstgl($prestudent_id, $studierendenantrag_id = null)
 	{
 
-		$this->load->view('lehre/Antrag/Create', [
-			'prestudent_id' => $prestudent_id,
-			'studierendenantrag_id' => $studierendenantrag_id,
-			'antrag_type' => 'AbmeldungStgl'
-		]);
+		if ($this->config->item('abmeldung_stg_enabled') === true)
+		{
+			$this->load->view('lehre/Antrag/Create', [
+				'prestudent_id' => $prestudent_id,
+				'studierendenantrag_id' => $studierendenantrag_id,
+				'antrag_type' => 'AbmeldungStgl'
+			]);
+		}
 	}
 
 	public function unterbrechung($prestudent_id, $studierendenantrag_id = null)
 	{
-		$this->load->view('lehre/Antrag/Create', [
-			'prestudent_id' => $prestudent_id,
-			'studierendenantrag_id' => $studierendenantrag_id,
-			'antrag_type' => 'Unterbrechung'
-		]);
+		if ($this->config->item('unterbrechung_enabled') === true)
+		{
+			$this->load->view('lehre/Antrag/Create', [
+				'prestudent_id' => $prestudent_id,
+				'studierendenantrag_id' => $studierendenantrag_id,
+				'antrag_type' => 'Unterbrechung'
+			]);
+		}
+
 	}
 
 	public function wiederholung($prestudent_id, $studierendenantrag_id = null)
 	{
-		$this->load->view('lehre/Antrag/Create', [
-			'prestudent_id' => $prestudent_id,
-			'studierendenantrag_id' => $studierendenantrag_id,
-			'antrag_type' => 'Wiederholung'
-		]);
+		if ($this->config->item('wiederholung_enabled') === true)
+		{
+			$this->load->view('lehre/Antrag/Create', [
+				'prestudent_id' => $prestudent_id,
+				'studierendenantrag_id' => $studierendenantrag_id,
+				'antrag_type' => 'Wiederholung'
+			]);
+		}
 	}
 
 	/**
diff --git a/application/core/Notiz_Controller.php b/application/core/Notiz_Controller.php
index 923970923..7269c3b09 100644
--- a/application/core/Notiz_Controller.php
+++ b/application/core/Notiz_Controller.php
@@ -417,6 +417,7 @@ abstract class Notiz_Controller extends FHCAPI_Controller
 		$notiz_id = $this->input->post('notiz_id');
 
 		$this->NotizModel->addSelect('campus.tbl_dms_version.*');
+		$this->NotizModel->addSelect($this->NotizModel->escape(base_url('content/notizdokdownload.php?id=')) . ' || public.tbl_notiz_dokument.dms_id AS preview');
 
 		$this->NotizModel->addJoin('public.tbl_notiz_dokument', 'ON (public.tbl_notiz_dokument.notiz_id = public.tbl_notiz.notiz_id)');
 		$this->NotizModel->addJoin('campus.tbl_dms_version', 'ON (public.tbl_notiz_dokument.dms_id = campus.tbl_dms_version.dms_id)');
diff --git a/application/libraries/AntragLib.php b/application/libraries/AntragLib.php
index 3d8a2ea26..35edc826c 100644
--- a/application/libraries/AntragLib.php
+++ b/application/libraries/AntragLib.php
@@ -1657,7 +1657,7 @@ class AntragLib
 
 		$result = $this->_ci->StudierendenantragModel->loadWithStatusWhere($where);
 		if (isError($result))
-		return $result;
+			return $result;
 
 		if (!hasData($result))
 			return error($this->_ci->p->t('studierendenantrag', "error_no_antrag_found", ['id' => $studierendenantrag_id]));
@@ -1709,6 +1709,7 @@ class AntragLib
 		$result->statustyp = $antrag->statustyp;
 		$result->status_insertvon = $antrag->status_insertvon;
 		$result->grund = $antrag->grund;
+		$result->status_grund = $antrag->status_grund;
 		$result->studierendenantrag_id = $antrag->studierendenantrag_id;
 		$result->typ = $antrag->typ;
 		$result->datum = $antrag->datum;
diff --git a/application/libraries/stv/StudentListLib.php b/application/libraries/stv/StudentListLib.php
new file mode 100644
index 000000000..bb44c8bb0
--- /dev/null
+++ b/application/libraries/stv/StudentListLib.php
@@ -0,0 +1,363 @@
+<?php
+/**
+ * Copyright (C) 2025 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * This generates a list of students and or prestudents used for Studierendenverwaltung
+ */
+class StudentListLib
+{
+	private $_ci; // Code igniter instance
+
+	private $_allowedStgs = [];
+	private $_selects = [];
+	private $_joins = [];
+	
+	/**
+	 * Gets the CI instance, loads model and prepares default values
+	 *
+	 * @param array		$params
+	 *
+	 * @return void
+	 */
+	public function __construct($params = null)
+	{
+		$this->_ci =& get_instance(); // get code igniter instance
+
+		$this->_ci->load->model('crm/Prestudent_model', 'PrestudentModel');
+
+		if (isset($params['allowedStgs']))
+			$this->_allowedStgs = $params['allowedStgs'];
+
+		// Add default SELECTs
+		$this->addSelect("b.uid");
+		if (defined('STV_TAGS_ENABLED') && STV_TAGS_ENABLED)
+			$this->addSelect('tag_data_agg.tags');
+		$this->addSelect('titelpre');
+		$this->addSelect('nachname');
+		$this->addSelect('vorname');
+		$this->addSelect('wahlname');
+		$this->addSelect('vornamen');
+		$this->addSelect('titelpost');
+		$this->addSelect('ersatzkennzeichen');
+		$this->addSelect('gebdatum');
+		$this->addSelect('geschlecht');
+		$this->addSelect('foto');
+		$this->addSelect('foto_sperre');
+		$this->addSelect('v.semester');
+		$this->addSelect('v.verband');
+		$this->addSelect('v.gruppe');
+		$this->addSelect("statusofsemester"); // Will be replaced later
+		$this->addSelect('UPPER(stg.typ || stg.kurzbz) AS studiengang');
+		$this->addSelect('tbl_prestudent.studiengang_kz');
+		$this->addSelect('stg.bezeichnung AS stg_bezeichnung');
+		$this->addSelect("s.matrikelnr");
+		$this->addSelect('p.person_id');
+		$this->addSelect('pls.status_kurzbz AS status');
+		$this->addSelect('pls.datum AS status_datum');
+		$this->addSelect('pls.bestaetigtam AS status_bestaetigung');
+		$this->addSelect(
+			"(SELECT kontakt FROM public.tbl_kontakt WHERE kontakttyp='email' AND person_id=p.person_id AND zustellung LIMIT 1) AS mail_privat",
+			false
+		);
+		$this->addSelect("
+			CASE WHEN b.uid IS NOT NULL AND b.uid<>'' 
+			THEN CONCAT(b.uid, '@', " . $this->_ci->PrestudentModel->escape(DOMAIN) . ")
+			ELSE '' END AS mail_intern", false);
+		$this->addSelect('p.anmerkung AS anmerkungen');
+		$this->addSelect('tbl_prestudent.anmerkung');
+		$this->addSelect('pls.orgform_kurzbz');
+		$this->addSelect('aufmerksamdurch_kurzbz');
+		$this->addSelect(
+			"(SELECT rt_gesamtpunkte AS punkte FROM public.tbl_prestudent WHERE prestudent_id=ps.prestudent_id) AS punkte",
+			false
+		);
+		$this->addSelect('tbl_prestudent.aufnahmegruppe_kurzbz');
+		$this->addSelect('tbl_prestudent.dual');
+		$this->addSelect('p.matr_nr');
+		$this->addSelect('sp.bezeichnung AS studienplan_bezeichnung');
+		$this->addSelect('tbl_prestudent.prestudent_id');
+		$this->addSelect("(
+			SELECT count(*)
+			FROM (
+				SELECT *, public.get_rolle_prestudent(pss.prestudent_id, NULL) AS laststatus
+				FROM public.tbl_prestudent pss
+				JOIN public.tbl_prestudentstatus USING (prestudent_id)
+				WHERE person_id = p.person_id
+				AND studiensemester_kurzbz = (
+					SELECT studiensemester_kurzbz
+					FROM public.tbl_prestudentstatus
+					WHERE prestudent_id = tbl_prestudent.prestudent_id
+					AND status_kurzbz = 'Interessent'
+					LIMIT 1
+				)
+				AND status_kurzbz = 'Interessent'
+			) prest
+			WHERE laststatus NOT IN ('Abbrecher', 'Abgewiesener', 'Absolvent')
+			AND priorisierung <= tbl_prestudent.priorisierung
+		) || ' (' || COALESCE(tbl_prestudent.priorisierung::text, ' '::text) || ')' AS priorisierung_relativ", false); // TODO(chris): overwrite in fetchStudents
+		$this->addSelect('mentor');
+		$this->addSelect('b.aktiv AS bnaktiv');
+		$this->addSelect('unruly');
+		
+		// Add default JOINs
+		$this->addJoin('public.tbl_studiengang stg', 'studiengang_kz', 'LEFT');
+		$this->addJoin('public.tbl_person p', 'person_id');
+		$this->addJoin('public.tbl_student s', 'prestudent_id', 'LEFT'); // TODO(chris): overwrite in fetchStudents
+		$this->addJoin('public.tbl_prestudentstatus pls', '
+			pls.status_kurzbz=public.get_rolle_prestudent(tbl_prestudent.prestudent_id, NULL) 
+			AND pls.prestudent_id=tbl_prestudent.prestudent_id 
+			AND pls.studiensemester_kurzbz=public.get_stdsem_prestudent(tbl_prestudent.prestudent_id, NULL) 
+			AND pls.ausbildungssemester=public.get_absem_prestudent(tbl_prestudent.prestudent_id, NULL)', 'LEFT');
+		$this->addJoin('lehre.tbl_studienplan sp', 'studienplan_id', 'LEFT');
+		$this->addJoin('public.tbl_benutzer b', 's.student_uid=b.uid', 'LEFT');
+		$this->addJoin("v", "", ""); // Will be replaced later
+		$this->addJoin("ps", "", ""); // Will be replaced later
+		if (defined('STV_TAGS_ENABLED') && STV_TAGS_ENABLED) {
+			$this->_ci->load->config('stv');
+			$tags = $this->_ci->config->item('stv_prestudent_tags');
+
+			$whereTags = '';
+			if (is_array($tags) && !isEmptyArray($tags)) {
+				$tags = array_keys($tags);
+
+				foreach ($tags as $key => $tag) {
+					$tags[$key] = $this->_ci->PrestudentModel->escape($tag);
+				}
+				$whereTags = " AND nt.typ_kurzbz IN (" . implode(",", $tags) . ")";
+			}
+			$subQueryTag = "(
+				SELECT
+					tag.prestudent_id,
+					COALESCE(json_agg(tag ORDER BY tag.done), '[]'::json) AS tags
+				FROM (
+					SELECT DISTINCT ON (n.notiz_id)
+						n.notiz_id AS id,
+						nt.typ_kurzbz,
+						array_to_json(nt.bezeichnung_mehrsprachig)->>0 AS beschreibung,
+						n.text AS notiz,
+						nt.style,
+						n.erledigt AS done,
+						nz.prestudent_id
+					FROM public.tbl_notizzuordnung AS nz
+					JOIN public.tbl_notiz AS n ON nz.notiz_id = n.notiz_id
+					JOIN public.tbl_notiz_typ AS nt ON n.typ = nt.typ_kurzbz " . $whereTags . "
+				) AS tag
+				GROUP BY tag.prestudent_id
+			) AS tag_data_agg";
+
+			$this->addJoin($subQueryTag, 'tag_data_agg.prestudent_id = tbl_prestudent.prestudent_id', 'LEFT');
+		}
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * Adds a SELECT statement to the query.
+	 *
+	 * @param string|array	$select
+	 * @param boolean		$escape (optional)
+	 *
+	 * @return void
+	 */
+	public function addSelect($select, $escape = true)
+	{
+		if (is_array($select)) {
+			foreach ($select as $s)
+				$this->addSelect($s, $escape);
+			return;
+		}
+		$alias = $this->getAliasFromSelect($select);
+		$this->_selects[$alias] = [$select, $escape];
+	}
+
+	/**
+	 * Joins a table to the query.
+	 *
+	 * @param string		$table
+	 * @param string		$cond
+	 * @param string		$type (optional)
+	 * @param string		$position (optional)
+	 *
+	 * @return void
+	 */
+	public function addJoin($table, $cond, $type = '', $position = 'end')
+	{
+		$alias = $this->getAliasFromTable($table);
+
+		if ($position == 'end') {
+			return $this->_joins[$alias] = [$table, $cond, $type];
+		}
+
+		if ($position == 'start') {
+			return $this->_joins = [$alias => [$table, $cond, $type]] + $this->_joins;
+		}
+
+		if (substr($position, 0, 7) == 'before_') {
+			$ref = substr($position, 7);
+			$index = 0;
+		} elseif (substr($position, 0, 6) == 'after_') {
+			$ref = substr($position, 6);
+			$index = 1;
+		} else {
+			return $this->addJoin($table, $cond, $type);
+		}
+		if (!isset($this->_joins[$ref]))
+			return $this->addJoin($table, $cond, $type);
+
+		$key_indeces = array_flip(array_keys($this->_joins));
+		$index += $key_indeces[$ref];
+
+		if (!$index)
+			return $this->addJoin($table, $cond, $type, 'start');
+
+		$front_part = array_slice($this->_joins, 0, $index, true);
+		$back_part = array_slice($this->_joins, $index, null, true);
+
+		if (isset($front_part[$alias])) {
+			unset($front_part[$alias]);
+		}
+
+		$this->_joins = $front_part + [$alias => [$table, $cond, $type]] + $back_part;
+	}
+
+	/**
+	 * Adds a WHERE clause to the query.
+	 *
+	 * @param string|array	$key
+	 * @param string|array	$value
+	 * @param boolean		$escape
+	 *
+	 * @return void
+	 */
+	public function addWhere($key, $value = null, $escape = true)
+	{
+		if (!is_array($key) && is_array($value)) {
+			$this->_ci->PrestudentModel->db->where_in($key, $value, $escape);
+		} else {
+			$this->_ci->PrestudentModel->db->where($key, $value, $escape);
+		}
+	}
+
+	/**
+	 * Adds a OR WHERE clause to the query.
+	 *
+	 * @param string|array	$key
+	 * @param string|array	$value
+	 * @param boolean		$escape
+	 *
+	 * @return void
+	 */
+	public function addOrWhere($key, $value = null, $escape = true)
+	{
+		if (!is_array($key) && is_array($value)) {
+			$this->_ci->PrestudentModel->db->or_where_in($key, $value, $escape);
+		} else {
+			$this->_ci->PrestudentModel->db->or_where($key, $value, $escape);
+		}
+	}
+
+	/**
+	 * Generates the query and executes it.
+	 *
+	 * @param string|null	$studiensemester_kurzbz
+	 *
+	 * @return stdClass		result of the query
+	 */
+	public function execute($studiensemester_kurzbz)
+	{
+		$stdsemEsc = $studiensemester_kurzbz ? $this->_ci->PrestudentModel->escape($studiensemester_kurzbz) : 'NULL';
+
+
+		$this->addSelect(
+			"public.get_rolle_prestudent(
+				public.tbl_prestudent.prestudent_id, 
+				" . $this->_ci->PrestudentModel->escape($studiensemester_kurzbz) . "
+			)  AS statusofsemester"
+		);
+		$this->addJoin(
+			'public.tbl_studentlehrverband v',
+			'v.student_uid=s.student_uid AND v.studiensemester_kurzbz' . ($studiensemester_kurzbz ? '=' . $stdsemEsc : ' IS NULL'),
+			'LEFT'
+		);
+		$this->addJoin(
+			'public.tbl_prestudentstatus ps',
+			'ps.status_kurzbz=public.get_rolle_prestudent(tbl_prestudent.prestudent_id, ' . $stdsemEsc . ') 
+				AND ps.prestudent_id=tbl_prestudent.prestudent_id 
+				AND ps.studiensemester_kurzbz=public.get_stdsem_prestudent(tbl_prestudent.prestudent_id, ' . $stdsemEsc . ') 
+				AND ps.ausbildungssemester=public.get_absem_prestudent(tbl_prestudent.prestudent_id, ' . $stdsemEsc . ')
+			',
+			'LEFT'
+		);
+
+		$this->addWhere('tbl_prestudent.studiengang_kz', $this->_allowedStgs);
+
+		foreach ($this->_joins as $join)
+			$this->_ci->PrestudentModel->addJoin($join[0], $join[1], $join[2]);
+
+		foreach ($this->_selects as $select)
+			$this->_ci->PrestudentModel->addSelect($select[0], $select[1]);
+
+		$this->_ci->PrestudentModel->addOrder('nachname');
+		$this->_ci->PrestudentModel->addOrder('vorname');
+
+		return $this->_ci->PrestudentModel->load();
+	}
+
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Protected methods
+
+	/**
+	 * Get alias of a table or select statement
+	 *
+	 * @param string		$select
+	 *
+	 * @return string
+	 */
+	final protected function getAliasFromSelect($select)
+	{
+		if (strpos($select, ' ') !== false) {
+			return trim(strrchr($select, ' '));
+		}
+
+		if (strpos($select, '.') !== false) {
+			return substr(strrchr($select, '.'), 1);
+		}
+
+		return $select;
+	}
+
+	/**
+	 * Get alias of a table or select statement
+	 *
+	 * @param string|array	$table
+	 *
+	 * @return string|array
+	 */
+	final protected function getAliasFromTable($table)
+	{
+		if (strpos($table, ' ') !== false) {
+			return trim(strrchr($table, ' '));
+		}
+
+		return $table;
+	}
+}
diff --git a/application/libraries/vertragsbestandteil/AbstractBestandteil.php b/application/libraries/vertragsbestandteil/AbstractBestandteil.php
index ccd05f5e2..4e1e8b9d0 100644
--- a/application/libraries/vertragsbestandteil/AbstractBestandteil.php
+++ b/application/libraries/vertragsbestandteil/AbstractBestandteil.php
@@ -40,7 +40,9 @@ abstract class AbstractBestandteil implements IValidation
 		
 		if( is_bool($new_value) && ($old_value !== $new_value) ) {
 			$this->modifiedcolumns[$columnname] = $columnname;
-		} else if($old_value != $new_value) {		
+		} else if(is_null($old_value) xor is_null($new_value)) {
+			$this->modifiedcolumns[$columnname] = $columnname;
+		} else if($old_value != $new_value) {
 			$this->modifiedcolumns[$columnname] = $columnname;
 		}
 	}
diff --git a/application/libraries/vertragsbestandteil/VertragsbestandteilLohnguide.php b/application/libraries/vertragsbestandteil/VertragsbestandteilLohnguide.php
index 0e071f36b..71104fa91 100644
--- a/application/libraries/vertragsbestandteil/VertragsbestandteilLohnguide.php
+++ b/application/libraries/vertragsbestandteil/VertragsbestandteilLohnguide.php
@@ -137,19 +137,25 @@ EOTXT;
 		return parent::__toString() . $txt;
 	}
 
-	/* public function validate()
+	public function validate()
 	{
-		if( !(filter_var($this->tage, FILTER_VALIDATE_INT, 
-				array(
-					'options' => array(
-						'min_range' => 1,
-						'max_range' => 50
-					)
-				)
-			)) ) {
-			$this->validationerrors[] = 'Urlaubsanspruch muss eine Tagesanzahl im Bereich 1 bis 50 sein.';
+		$value = $this->vordienstzeit;
+
+		if ($value === null || $value === '') {
+			$result = null;   // allow null value 
+		} else {
+			$result = filter_var($value, FILTER_VALIDATE_INT, [
+				'options' => [
+					'min_range' => 0,
+					'max_range' => 100
+				]
+			]);
+
+			if ($result === false) {				
+				$this->validationerrors[] = 'Vordienstjahre muss eine ganze Zahl (0 bis 100) enthalten oder leer sein.';
+			}
 		}
 		
 		return parent::validate();
-	} */
+	} 
 }
diff --git a/application/models/education/Studierendenantrag_model.php b/application/models/education/Studierendenantrag_model.php
index 677d01f04..40224ffc9 100644
--- a/application/models/education/Studierendenantrag_model.php
+++ b/application/models/education/Studierendenantrag_model.php
@@ -149,6 +149,7 @@ class Studierendenantrag_model extends DB_Model
 		$this->addSelect($this->dbTable . '.grund AS grund');
 		$this->addSelect('s.studierendenantrag_statustyp_kurzbz status');
 		$this->addSelect('s.insertvon status_insertvon');
+		$this->addSelect('s.grund AS status_grund');
 		$this->addSelect('t.bezeichnung[(' . $lang . ')] statustyp');
 		$this->addSelect('p.unruly AS unruly');
 		$this->addSelect($this->dbTable . '.insertamum AS insertamum');
@@ -269,6 +270,7 @@ class Studierendenantrag_model extends DB_Model
 		$this->addSelect($this->dbTable . '.grund');
 		$this->addSelect($this->dbTable . '.dms_id');
 		$this->addSelect('s.insertvon AS status_insertvon');
+		$this->addSelect('s.grund AS status_grund');
 		$this->addSelect(
 			"(SELECT count(1) FROM campus.tbl_studierendenantrag_status WHERE studierendenantrag_id = " .
 			$this->dbTable .
diff --git a/application/models/education/Studierendenantragstatus_model.php b/application/models/education/Studierendenantragstatus_model.php
index cf9cce1be..354af7491 100644
--- a/application/models/education/Studierendenantragstatus_model.php
+++ b/application/models/education/Studierendenantragstatus_model.php
@@ -50,7 +50,7 @@ class Studierendenantragstatus_model extends DB_Model
 		$this->addSelect('bezeichnung[(' . $lang . ')] AS typ');
 
 		$this->addJoin('campus.tbl_studierendenantrag_statustyp', 'studierendenantrag_statustyp_kurzbz');
-
+		$this->addOrder($this->dbTable. '.insertamum', 'DESC');
 		return $this->loadWhere($where);
 	}
 
diff --git a/application/views/lehre/Antrag/Leitung/List.php b/application/views/lehre/Antrag/Leitung/List.php
index 1225b16b6..e7d3a47f1 100644
--- a/application/views/lehre/Antrag/Leitung/List.php
+++ b/application/views/lehre/Antrag/Leitung/List.php
@@ -44,6 +44,7 @@ $this->load->view(
 			<studierendenantrag-leitung
 				:stg-a="<?= htmlspecialchars(json_encode(array_values($stgA))); ?>"
 				:stg-l="<?= htmlspecialchars(json_encode(array_values($stgL))); ?>"
+				:abmeldung_enabled="<?= htmlspecialchars(json_encode(($abmeldung_enabled))); ?>"
 				>
 			</studierendenantrag-leitung>
 
diff --git a/application/views/system/infocenter/infocenterData.php b/application/views/system/infocenter/infocenterData.php
index ebfd1db37..d1ce87422 100644
--- a/application/views/system/infocenter/infocenterData.php
+++ b/application/views/system/infocenter/infocenterData.php
@@ -315,22 +315,15 @@
 				 WHERE tpl.app = '.$APP.'
 			) pl USING(person_id)
 	LEFT JOIN (
-				SELECT
+				SELECT DISTINCT ON (tbl_rueckstellung.person_id)
 					tbl_rueckstellung.person_id,
 					tbl_rueckstellung.datum_bis,
 					tbl_rueckstellung.status_kurzbz,
 					array_to_json(bezeichnung_mehrsprachig::varchar[])->>0 as bezeichnung
 				FROM public.tbl_rueckstellung
 				JOIN public.tbl_rueckstellung_status USING(status_kurzbz)
-				JOIN public.tbl_person sp ON tbl_rueckstellung.person_id = sp.person_id
-				WHERE tbl_rueckstellung.rueckstellung_id =
-				(
-					SELECT srueck.rueckstellung_id
-					FROM public.tbl_rueckstellung srueck
-					WHERE srueck.person_id = tbl_rueckstellung.person_id
-						AND datum_bis >= NOW()
-					ORDER BY srueck.datum_bis DESC LIMIT 1
-				)
+				WHERE tbl_rueckstellung.datum_bis >= NOW()
+				ORDER BY tbl_rueckstellung.person_id, tbl_rueckstellung.datum_bis DESC
 			) rueck ON rueck.person_id = p.person_id
 		 WHERE
 			EXISTS (
diff --git a/application/views/system/infocenter/onboardingData.php b/application/views/system/infocenter/onboardingData.php
index 5ee66fdde..bf126f283 100644
--- a/application/views/system/infocenter/onboardingData.php
+++ b/application/views/system/infocenter/onboardingData.php
@@ -24,22 +24,15 @@ $query = '
 					 WHERE tpl.app = '.$APP.'
 				 ) pl ON p.person_id = pl.person_id
 			LEFT JOIN (
-				SELECT
+					SELECT DISTINCT ON (tbl_rueckstellung.person_id)
 					tbl_rueckstellung.person_id,
 					tbl_rueckstellung.datum_bis,
 					tbl_rueckstellung.status_kurzbz,
 					array_to_json(bezeichnung_mehrsprachig::varchar[])->>0 as bezeichnung
 				FROM public.tbl_rueckstellung
-					JOIN public.tbl_rueckstellung_status USING(status_kurzbz)
-					JOIN public.tbl_person sp ON tbl_rueckstellung.person_id = sp.person_id
-				WHERE tbl_rueckstellung.rueckstellung_id =
-				(
-					SELECT srueck.rueckstellung_id
-					FROM public.tbl_rueckstellung srueck
-					WHERE srueck.person_id = tbl_rueckstellung.person_id
-						AND datum_bis >= NOW()
-					ORDER BY srueck.datum_bis DESC LIMIT 1
-				)
+				JOIN public.tbl_rueckstellung_status USING(status_kurzbz)
+				WHERE tbl_rueckstellung.datum_bis >= NOW()
+				ORDER BY tbl_rueckstellung.person_id, tbl_rueckstellung.datum_bis DESC
 			) rueck ON rueck.person_id = p.person_id
 		WHERE p.person_id NOT IN (SELECT person_id FROM public.tbl_prestudent)';
 
diff --git a/cis/private/lehre/notenliste.xls.php b/cis/private/lehre/notenliste.xls.php
index 25f353c12..52b18b056 100644
--- a/cis/private/lehre/notenliste.xls.php
+++ b/cis/private/lehre/notenliste.xls.php
@@ -36,6 +36,7 @@ require_once('../../../include/notenschluessel.class.php');
 require_once('../../../include/Excel/excel.php');
 require_once('../../../include/phrasen.class.php');
 require_once('../../../include/pruefung.class.php');
+require_once('../../../include/benutzerberechtigung.class.php');
 
 $uid = get_uid();
 
@@ -44,7 +45,7 @@ $uid = get_uid();
 $sprache = getSprache();
 $p = new phrasen($sprache);
 
-if(!check_lektor($uid))
+if (!check_lektor($uid))
 	die('Sie haben keine Berechtigung fuer diese Seite');
 
 if (!$db = new basis_db())
@@ -90,6 +91,21 @@ if(isset($_GET['lehreinheit_id']))
 else
 	$lehreinheit_id = '';
 
+// Permissions
+$berechtigung = new benutzerberechtigung();
+$berechtigung->getBerechtigungen($uid);
+
+// LV load
+$lvobj = new lehrveranstaltung($lvid);
+
+// Check permissions
+if (!$berechtigung->isBerechtigt('admin')
+	&& !$berechtigung->isBerechtigt('assistenz')
+	&& !$berechtigung->isBerechtigt('lehre', $lvobj->oe_kurzbz, 's')
+	&& !check_lektor_lehrveranstaltung($uid, $lvid, $stsem)
+)
+	die('Sie haben keine Berechtigung fuer diese Seite');
+
 /*
  * Create Excel File
  */
@@ -143,8 +159,6 @@ else
 	// let's merge
 	$format_title->setAlign('merge');
 
-	$lvobj = new lehrveranstaltung($lvid);
-
 	$worksheet->write(0,0,$p->t('anwesenheitsliste/notenliste')." ".($sprache=='English'?$lvobj->bezeichnung_english:$lvobj->bezeichnung),$format_bold);
 
 	$stg_obj = new studiengang($stg);
diff --git a/cis/testtool/frage.php b/cis/testtool/frage.php
index a5f4100c9..5a5aaaa18 100644
--- a/cis/testtool/frage.php
+++ b/cis/testtool/frage.php
@@ -80,9 +80,17 @@ echo '
 <html xmlns="http://www.w3.org/1999/xhtml">
 <head>
 	<meta http-equiv="Content-Type" content="text/xhtml; charset=UTF-8" />
+	<link rel="stylesheet" href="../../vendor/components/jqueryui/themes/base/jquery-ui.min.css" type="text/css" />
 	<link rel="stylesheet" href="../../vendor/twbs/bootstrap3/dist/css/bootstrap.min.css" type="text/css"/>
 	<link href="../../skin/style.css.php" rel="stylesheet" type="text/css" />
+	<style>
+		.ui-dialog-titlebar-close
+		{
+			visibility: hidden !important;
+		}
+	</style>
 	<script type="text/javascript" src="../../vendor/components/jquery/jquery.min.js"></script>
+	<script type="text/javascript" src="../../vendor/components/jqueryui/jquery-ui.min.js"></script>
 	<script type="text/javascript" src="../../vendor/twbs/bootstrap3/dist/js/bootstrap.min.js"></script>
 	<script language="Javascript" type="text/javascript">
 	//<![CDATA[
@@ -131,22 +139,78 @@ echo '
 		}
 	}
 
-	function GebietStarten(bezeichnung,stunde,minute,sekunde,gebiet_id)
+	function GebietStarten(bezeichnung, stunde, minute, sekunde, gebiet_id)
 	{
-		var check = confirm(<?php echo "'".$p->t('testtool/okKlickenUmZuStarten')."'"?>+' '+stunde+'h '+minute+'m '+sekunde+'s');
-		if (check == true) {
-			var sprache_user = <?php echo "'".$sprache_user."'"?>;
-			document.location.href = 'frage.php?gebiet_id='+gebiet_id+'&start=true';
-		}
-		else {
-			return false;
+		let message = <?php echo "'".$p->t('testtool/okKlickenUmZuStarten')."'"?> + ' ' + stunde + 'h ' + minute + 'm ' + sekunde + 's';
+		let title = <?php echo "'".$p->t('testtool/startGebiet')."'"?>;
+		let abbrechen = <?php echo "'".$p->t('testtool/abbrechen')."'"?>;
+
+		if ($('#gebiet-dialog').length === 0)
+		{
+			$('body').append(
+				'<div id="gebiet-dialog" title="' + title + '">' +
+					'<p id="gebiet-dialog-msg">' + message + '</p>' +
+				'</div>'
+			);
 		}
+
+		$('#gebiet-dialog').dialog({
+			modal: true,
+			width: 400,
+			resizable: false,
+			buttons: [
+				{
+					text: 'OK',
+					click: function() {
+						$(this).dialog('close');
+						document.location.href = 'frage.php?gebiet_id=' + gebiet_id + '&start=true';
+					}
+				},
+				{
+					text: abbrechen,
+					click: function() {
+						$(this).dialog('close');
+					}
+				}
+			]
+		});
 	}
 
+	let letzteFrageBestaetigt = false;
+
 	function letzteFrage()
 	{
-		alert(<?php echo "'".$p->t("testtool/alleFragenBeantwortet")."'"?>);
-		return true;
+		if (letzteFrageBestaetigt)
+			return true;
+
+		let message = <?php echo "'".$p->t("testtool/alleFragenBeantwortet")."'"?>;
+
+		if ($('#fertig-dialog').length === 0)
+		{
+			$('body').append(
+				'<div id="fertig-dialog">' +
+					'<p>' + message + '</p>' +
+				'</div>'
+			);
+		}
+
+		$('#fertig-dialog').dialog({
+			modal: true,
+			width: 400,
+			resizable: false,
+			buttons: [
+				{
+					text: 'OK',
+					click: function() {
+						$(this).dialog('close');
+						letzteFrageBestaetigt = true;
+						$('[name="submitantwort"]').click();
+					}
+				}
+			]
+		});
+
+		return false;
 	}
 
 	$(document).ready(function () {
@@ -647,7 +711,7 @@ if($frage->frage_id!='')
 	}
 
 	$letzte = $frage->getNextFrage($gebiet_id, $_SESSION['pruefling_id'], $frage_id, $demo);
-	echo "<form action=\"$PHP_SELF?gebiet_id=$gebiet_id&amp;frage_id=$frage->frage_id\" method=\"POST\" ".(!$letzte && !$levelgebiet?"onsubmit=\"letzteFrage()\"":"").">";
+	echo "<form action=\"$PHP_SELF?gebiet_id=$gebiet_id&amp;frage_id=$frage->frage_id\" method=\"POST\" ".(!$letzte && !$levelgebiet?"onsubmit=\"return letzteFrage()\"":"").">";
 	echo '
 		<div class="row text-center">
 			<table class="table" style="width: 600px; margin-left: auto; margin-right: auto;">
diff --git a/cis/testtool/gebietfertig.php b/cis/testtool/gebietfertig.php
index cf0a86ae2..327848b17 100644
--- a/cis/testtool/gebietfertig.php
+++ b/cis/testtool/gebietfertig.php
@@ -44,6 +44,27 @@ if (isset($_GET['sprache_user']) && !empty($_GET['sprache_user']))
 $sprache_user = (isset($_SESSION['sprache_user']) && !empty($_SESSION['sprache_user'])) ? $_SESSION['sprache_user'] : DEFAULT_LANGUAGE;
 $p = new phrasen($sprache_user);
 
+$showInfo = false;
+if (isset($_SESSION['alleGebiete']))
+{
+	$alleGebiete = array_map('intval', $_SESSION['alleGebiete']);
+	$pruefling_id = $_SESSION['pruefling_id'];
+
+	$qry = "SELECT COUNT(DISTINCT gebiet_id)  as anzahl
+			FROM testtool.tbl_pruefling_frage
+			JOIN testtool.tbl_frage USING(frage_id)
+			WHERE gebiet_id IN (". implode(',', $alleGebiete) .")
+			AND pruefling_id = ". $pruefling_id ."
+	";
+
+	$result = $db->db_query($qry);
+	$anzahlGebiete = $db->db_fetch_object($result);
+
+
+	if ((int)$anzahlGebiete->anzahl === count($alleGebiete))
+		$showInfo = true;
+}
+
 ?>
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 <html>
@@ -69,6 +90,7 @@ $p = new phrasen($sprache_user);
 <body>
 <br><br><br><br><br>
 <center><h2><?php echo $p->t('testtool/zeitAbgelaufen');?></h2>
+	<h3><?php echo ($showInfo ? ($p->t('testtool/alleGebietGestartet') . "<br />" . $p->t('testtool/alleGebieteGestartetInfo')) : ''); ?></h3>
 </center>
 </body>
 </html>
diff --git a/cis/testtool/login.php b/cis/testtool/login.php
index cfc1ba63b..60447ee52 100644
--- a/cis/testtool/login.php
+++ b/cis/testtool/login.php
@@ -142,7 +142,9 @@ if (isset($_REQUEST['prestudent']))
 		}
 		if ($reihungstest_id != '' && $rt->load($reihungstest_id))
 		{
-			if ($rt->freigeschaltet)
+			$pruefling_exist = new Pruefling();
+			$alreadyInRT = $pruefling_exist->personAlreadyInRT($ps->person_id, $rt->reihungstest_id, $ps->prestudent_id);
+			if ($rt->freigeschaltet && !$alreadyInRT)
 			{
 				// regenerate Session ID after Login
 				session_regenerate_id();
@@ -282,7 +284,14 @@ if (isset($_REQUEST['prestudent']))
 			}
 			else
 			{
-				$alertmsg .= '<div class="alert alert-danger">'.$p->t('testtool/reihungstestNichtFreigeschalten').'</div>';
+				if ($alreadyInRT)
+				{
+					$alertmsg .= '<div class="alert alert-danger">'.$p->t('testtool/reihungstestNichtRegistriert').'</div>';
+				}
+				else
+				{
+					$alertmsg .= '<div class="alert alert-danger">'.$p->t('testtool/reihungstestNichtFreigeschalten').'</div>';
+				}
 			}
 		}
 		else
diff --git a/cis/testtool/menu.php b/cis/testtool/menu.php
index 494f05567..fb28825de 100644
--- a/cis/testtool/menu.php
+++ b/cis/testtool/menu.php
@@ -187,6 +187,7 @@ else if (isset($_SESSION['pruefling_id']))
 			}
 
 			$qry .= "
+				AND ps_status.bewerbung_abgeschicktamum IS NOT NULL
 
 		/* Order to get last semester when using distinct on */
 		ORDER BY
@@ -405,6 +406,29 @@ else if (isset($_SESSION['pruefling_id']))
 		echo '</table>';
 	}
 
+	if (isset($_SESSION['pruefling_id']) && !empty($_SESSION['alleGebiete']))
+	{
+		$alleGebiete = array_map('intval', $_SESSION['alleGebiete']);
+		$pruefling_id = (int)$_SESSION['pruefling_id'];
+
+		$qry = "SELECT COUNT(DISTINCT gebiet_id) AS anzahl
+				FROM testtool.tbl_pruefling_frage
+					JOIN testtool.tbl_frage USING(frage_id)
+				WHERE gebiet_id IN (". implode(',', $alleGebiete) .")
+					AND pruefling_id = ". $pruefling_id;
+
+		$result_check = $db->db_query($qry);
+		$row_check = $db->db_fetch_object($result_check);
+
+		if ((int)$row_check->anzahl === count($alleGebiete))
+		{
+			echo '<tr><td>
+					<div class="alert alert-success small" style="margin-left: 20px; width: 170px; margin-top: 3px;" role="alert">
+						<strong>'.$p->t('testtool/alleGebietGestartet').'</strong>
+					</div>
+				</td></tr>';
+		}
+	}
 	// Link zum Logout
 
 	echo '<tr><td class="ItemTesttool" style="margin-left: 20px;" nowrap>
diff --git a/config/global.config-default.inc.php b/config/global.config-default.inc.php
index 943363f6d..7351b865b 100644
--- a/config/global.config-default.inc.php
+++ b/config/global.config-default.inc.php
@@ -373,4 +373,8 @@ define('TESTTOOL_EXTERNE_UEBERWACHUNG_ALLOWED', false);
 
 //enable tags in StudVW
 define('STV_TAGS_ENABLED', false);
+
+//student accounts grace period
+define('STUDENTS_KEEP_PERMISSIONS_AFTER_USER_INACTIVE_PERIOD', '0 days');
+define('STUDENTS_KEEP_PERMISSIONS_AFTER_USER_INACTIVE_ROLES', serialize(array('NO_DEFINED_ROLE')));
 ?>
diff --git a/content/statistik/notenspiegel_erweitert.php b/content/statistik/notenspiegel_erweitert.php
index 67097ed22..264324154 100644
--- a/content/statistik/notenspiegel_erweitert.php
+++ b/content/statistik/notenspiegel_erweitert.php
@@ -95,37 +95,37 @@ foreach ($result_student as $row)
 if ($uids == '')
 	die('Es befinden sich keine Studierende in diesem Semester');
 
-$qry = "SELECT 
-			lehrveranstaltung_id, bezeichnung, studiengang_kz, semester, ects
-		FROM 
-			lehre.tbl_lehrveranstaltung 
-        WHERE 
-        	lehrveranstaltung_id IN 
-        	(
-				SELECT 
-					distinct lehrveranstaltung_id 
-				FROM 
-					campus.vw_student_lehrveranstaltung, public.tbl_studentlehrverband
-	        	WHERE 
-	        		tbl_studentlehrverband.studiengang_kz=".$db->db_add_param($studiengang_kz, FHC_INTEGER)." AND 
-	        		tbl_studentlehrverband.semester=".$db->db_add_param($semester, FHC_INTEGER)." AND 
-	        		vw_student_lehrveranstaltung.studiensemester_kurzbz=".$db->db_add_param($semester_aktuell)." AND
-	        		uid=student_uid AND 
-	        		vw_student_lehrveranstaltung.studiensemester_kurzbz=tbl_studentlehrverband.studiensemester_kurzbz
+$qry = "SELECT
+		lehrveranstaltung_id, bezeichnung, studiengang_kz, semester, ects
+	FROM
+		lehre.tbl_lehrveranstaltung
+        WHERE
+		lehrveranstaltung_id IN (
+			SELECT
+				DISTINCT lehrveranstaltung_id
+			FROM
+				campus.vw_student_lehrveranstaltung
+				JOIN public.tbl_studentlehrverband ON(student_uid = uid)
+			WHERE
+				tbl_studentlehrverband.studiengang_kz = ".$db->db_add_param($studiengang_kz, FHC_INTEGER)."
+				AND tbl_studentlehrverband.semester = ".$db->db_add_param($semester, FHC_INTEGER)."
+				AND vw_student_lehrveranstaltung.studiensemester_kurzbz = ".$db->db_add_param($semester_aktuell)."
+				AND vw_student_lehrveranstaltung.studiensemester_kurzbz = tbl_studentlehrverband.studiensemester_kurzbz
 	        ) 
-	        AND studiengang_kz<>0
+	        AND studiengang_kz != 0
 	        AND zeugnis
-	    UNION
-	    SELECT
-	    	lehrveranstaltung_id, bezeichnung, studiengang_kz, semester, ects
-	    FROM
-	    	lehre.tbl_lehrveranstaltung JOIN lehre.tbl_zeugnisnote USING(lehrveranstaltung_id)
-	    WHERE
-	    	tbl_lehrveranstaltung.studiengang_kz=".$db->db_add_param($studiengang_kz, FHC_INTEGER)." AND
-	    	tbl_zeugnisnote.student_uid in($uids) AND
-	    	tbl_zeugnisnote.studiensemester_kurzbz=".$db->db_add_param($semester_aktuell)." AND
-	    	zeugnis
-		ORDER BY bezeichnung";
+	UNION
+	SELECT
+		lehrveranstaltung_id, bezeichnung, studiengang_kz, semester, ects
+	FROM
+	    lehre.tbl_lehrveranstaltung
+	    JOIN lehre.tbl_zeugnisnote USING(lehrveranstaltung_id)
+	WHERE
+	    tbl_lehrveranstaltung.studiengang_kz = ".$db->db_add_param($studiengang_kz, FHC_INTEGER)."
+	    AND tbl_zeugnisnote.student_uid IN ($uids)
+	    AND tbl_zeugnisnote.studiensemester_kurzbz = ".$db->db_add_param($semester_aktuell)."
+	    AND zeugnis
+    ORDER BY bezeichnung";
 
 if (!$result_lva = $db->db_query($qry))
 	die('Fehler beim Ermitteln der Lehrveranstaltungen');
@@ -338,6 +338,10 @@ if ($typ == 'xls')
 	}
 	$anzahl_lvspalten = $spalte - 2;
 
+	$worksheet->write($zeile, ++$spalte, 'ECTS Summe zugeteilt', $format_bold);
+	$maxlength[$spalte] = 20;
+	$worksheet->write($zeile, ++$spalte, 'ECTS Summe gewichtet', $format_bold);
+	$maxlength[$spalte] = 20;
 	$worksheet->write($zeile, ++$spalte, 'Notendurchschnitt', $format_bold);
 	$maxlength[$spalte] = 15;
 	$worksheet->write($zeile, ++$spalte, "Gewichteter\nNotendurchschnitt", $format_bold_wrap);
@@ -372,9 +376,12 @@ if ($typ == 'xls')
 		$worksheet->write($zeile, ++$spalte, $row_student->gruppe, $format_bold_left);
 		$worksheet->write($zeile, ++$spalte, $row_student->matrikelnr, $format_bold);
 
-		//Alle Zeugnisnoten des Studierenden holen
+		// Alle Zeugnisnoten des Studierenden holen
 		$noten = array();
-		$qry = "SELECT * FROM lehre.tbl_zeugnisnote WHERE student_uid=".$db->db_add_param($row_student->uid)." AND studiensemester_kurzbz=".$db->db_add_param($semester_aktuell);
+		$qry = "SELECT lehrveranstaltung_id, note
+			FROM lehre.tbl_zeugnisnote
+			WHERE student_uid = ".$db->db_add_param($row_student->uid)."
+			AND studiensemester_kurzbz = ".$db->db_add_param($semester_aktuell);
 		if ($result = $db->db_query($qry))
 			while ($row = $db->db_fetch_object($result))
 				$noten[$row->lehrveranstaltung_id] = $row->note;
@@ -382,15 +389,16 @@ if ($typ == 'xls')
 		//Zu jeder Lehrveranstaltungsnote Prüfungstyp (Anzahl der Antritte) holen
 		$pruefungstypen = array();
 		$qry = "SELECT tbl_lehrveranstaltung.lehrveranstaltung_id, pruefungstyp_kurzbz, sort, datum
-					FROM
-						lehre.tbl_pruefung
- 					JOIN
- 						lehre.tbl_lehreinheit using(lehreinheit_id)
- 					JOIN
- 						lehre.tbl_lehrveranstaltung using(lehrveranstaltung_id)
- 					WHERE 
- 						student_uid=".$db->db_add_param($row_student->uid)." AND studiensemester_kurzbz=".$db->db_add_param($semester_aktuell)."
- 					ORDER BY lehrveranstaltung_id, sort, datum";
+			FROM
+				lehre.tbl_pruefung
+			JOIN
+				lehre.tbl_lehreinheit USING(lehreinheit_id)
+			JOIN
+				lehre.tbl_lehrveranstaltung USING(lehrveranstaltung_id)
+			WHERE
+				student_uid = ".$db->db_add_param($row_student->uid)."
+				AND studiensemester_kurzbz = ".$db->db_add_param($semester_aktuell)."
+			ORDER BY lehrveranstaltung_id, sort, datum";
 		if ($result = $db->db_query($qry))
 		{
 			while ($row = $db->db_fetch_object($result))
@@ -399,15 +407,14 @@ if ($typ == 'xls')
 			}
 		}
 
-		//Alle LVs holen zu denen der Studierende zugeteilt ist
+		// Alle LVs holen zu denen der Studierende zugeteilt ist
 		$zugeteilte_lvs = array();
-		$qry = "SELECT distinct lehrveranstaltung_id
-					FROM 
-						campus.vw_student_lehrveranstaltung 
-					WHERE 
-						uid=".$db->db_add_param($row_student->uid)." AND 
-						studiensemester_kurzbz=".$db->db_add_param($semester_aktuell);
-
+		$qry = "SELECT DISTINCT lehrveranstaltung_id
+			FROM
+				campus.vw_student_lehrveranstaltung
+			WHERE
+				uid = ".$db->db_add_param($row_student->uid)."
+				AND studiensemester_kurzbz = ".$db->db_add_param($semester_aktuell);
 		if ($result = $db->db_query($qry))
 			while ($row = $db->db_fetch_object($result))
 				$zugeteilte_lvs[] = $row->lehrveranstaltung_id;
@@ -416,17 +423,20 @@ if ($typ == 'xls')
 		$summe = 0;
 		$rowcount = 0;
 		$summeects = 0;
+		$total_ects = 0;
 		$gewichtetenote = 0;
 
 		while ($rowcount < $db->db_num_rows($result_lva))
 		{
 			$row_lva = $db->db_fetch_object($result_lva, $rowcount);
 			$rowcount++;
+
 			//wenn es eine Note gibt
 			if (isset($noten[$row_lva->lehrveranstaltung_id]))
 			{
 				$note = $noten[$row_lva->lehrveranstaltung_id];
 				$format = 0;
+				$total_ects += $row_lva->ects;
 
 				//wenn für die LV der Studierende eine Nachprüfung hat (z.B. 2 Termin, kommissionelle...)
 				if (isset($pruefungstypen[$row_lva->lehrveranstaltung_id]))
@@ -472,6 +482,7 @@ if ($typ == 'xls')
 				//Keine Note fuer diese LV vorhanden
 				if (in_array($row_lva->lehrveranstaltung_id, $zugeteilte_lvs))
 				{
+					$total_ects += $row_lva->ects;
 					$worksheet->write($zeile, ++$spalte, '', $format_colored_nichteingetragen);
 				}
 				else
@@ -489,6 +500,8 @@ if ($typ == 'xls')
 		if ($summeects != 0)
 			$gewichtetenote /= $summeects;
 
+		$worksheet->write($zeile, ++$spalte, sprintf("%.2f", $total_ects), $format_number);
+		$worksheet->write($zeile, ++$spalte, sprintf("%.2f", $summeects), $format_number);
 		$worksheet->write($zeile, ++$spalte, sprintf("%.2f", $schnitt), $format_number);
 		$worksheet->write($zeile, ++$spalte, sprintf("%.2f", $gewichtetenote), $format_number);
 		if ($gewichtetenote != 0)
@@ -529,6 +542,8 @@ if ($typ == 'xls')
 		$schnitt = $summe_schnitt / $anzahl_schnitt;
 	else
 		$schnitt = 0;
+	$worksheet->write($zeile, ++$spalte, '-', $format_bold_center);
+	$worksheet->write($zeile, ++$spalte, '-', $format_bold_center);
 	$worksheet->write($zeile, ++$spalte, sprintf("%.2f", $schnitt), $format_number);
 	if ($anzahlgewichtet != 0)
 		$summegewichtet = $summegewichtet / $anzahlgewichtet;
diff --git a/include/benutzerberechtigung.class.php b/include/benutzerberechtigung.class.php
index 69d4947bf..4685f4bbb 100644
--- a/include/benutzerberechtigung.class.php
+++ b/include/benutzerberechtigung.class.php
@@ -340,6 +340,40 @@ class benutzerberechtigung extends basis_db
 		return true;
 	}
 
+	protected function hasPreStudentStatusInGracePeriod($uid)
+	{
+		$period = defined('STUDENTS_KEEP_PERMISSIONS_AFTER_USER_INACTIVE_PERIOD')
+				? STUDENTS_KEEP_PERMISSIONS_AFTER_USER_INACTIVE_PERIOD
+				: '0 days';
+		$mapfunc = function($val) {
+			return $this->db_add_param($val);
+		};
+		$roles = defined('STUDENTS_KEEP_PERMISSIONS_AFTER_USER_INACTIVE_ROLES')
+				? implode(', ', array_map($mapfunc, unserialize(STUDENTS_KEEP_PERMISSIONS_AFTER_USER_INACTIVE_ROLES)))
+				: 'NO_DEFINED_ROLE';
+
+		$sql = <<<EOSQL
+			SELECT 
+				1
+			FROM
+				campus.vw_student vs 
+			WHERE
+				vs.uid = {$this->db_add_param($uid)}
+				AND
+				vs.aktiv = false
+				AND
+				public.get_rolle_prestudent(vs.prestudent_id, null) IN ({$roles})
+				AND
+				(vs.updateaktivam + INTERVAL {$this->db_add_param($period)})::date >= CURRENT_DATE
+EOSQL;
+		$result = $this->db_query($sql);
+		if($result && $this->db_num_rows($result) > 0)
+		{
+			return true;
+		}
+		return false;
+	}
+
 	/**
 	 * Laedt die Berechtigungen eines Users
 	 * @param $uid
@@ -355,7 +389,8 @@ class benutzerberechtigung extends basis_db
 			if($row = $this->db_fetch_object($result))
 			{
 				// Wenn die Person nicht aktiv ist dann hat diese auch keine Rechte
-				if($this->db_parse_bool($row->aktiv) == false)
+				if($this->db_parse_bool($row->aktiv) == false
+					&& $this->hasPreStudentStatusInGracePeriod($uid) === false)
 					return false;
 			}
 			else
diff --git a/include/konto.class.php b/include/konto.class.php
index 51f79200b..d3167d5f5 100644
--- a/include/konto.class.php
+++ b/include/konto.class.php
@@ -25,6 +25,7 @@
  */
 require_once(dirname(__FILE__).'/basis_db.class.php');
 require_once(dirname(__FILE__).'/'.EXT_FKT_PATH.'/generateZahlungsreferenz.inc.php');
+require_once(dirname(__FILE__).'/variable.class.php');
 
 class konto extends basis_db
 {
@@ -432,6 +433,8 @@ class konto extends basis_db
 
 		$qry.=" ORDER BY beschreibung";
 
+		$oehBeitrag = $this->_getOEHBeitrag();
+
 		if($this->db_query($qry))
 		{
 			while($row = $this->db_fetch_object())
@@ -440,7 +443,15 @@ class konto extends basis_db
 
 				$typ->buchungstyp_kurzbz = $row->buchungstyp_kurzbz;
 				$typ->beschreibung = $row->beschreibung;
-				$typ->standardbetrag = $row->standardbetrag;
+				if (strtolower($typ->buchungstyp_kurzbz) === 'oeh' && $oehBeitrag)
+				{
+					$typ->standardbetrag = $oehBeitrag;
+				}
+				else
+				{
+					$typ->standardbetrag = $row->standardbetrag;
+				}
+
 				$typ->standardtext = $row->standardtext;
 				$typ->credit_points = $row->credit_points;
 				$typ->aktiv = $this->db_parse_bool($row->aktiv);
@@ -990,6 +1001,43 @@ class konto extends basis_db
 			return false;
 		}
 	}
+
+	private function _getOEHBeitrag()
+	{
+		if(!is_user_logged_in())
+		{
+			return false;
+		}
+
+		$variablen_obj = new variable();
+		$variablen_obj->loadVariables(get_uid());
+
+		$qry = "WITH semstart AS (
+					SELECT start FROM public.tbl_studiensemester
+					WHERE studiensemester_kurzbz = '". $this->db_escape($variablen_obj->variable->semester_aktuell) . "'
+				)
+				SELECT * FROM bis.tbl_oehbeitrag oehb
+				JOIN public.tbl_studiensemester semvon ON oehb.von_studiensemester_kurzbz = semvon.studiensemester_kurzbz
+				LEFT JOIN public.tbl_studiensemester sembis ON oehb.bis_studiensemester_kurzbz = sembis.studiensemester_kurzbz
+				JOIN semstart ON semstart.start::date >= semvon.start::date AND (sembis.studiensemester_kurzbz IS NULL OR semstart.start::date <= sembis.start::date)
+				ORDER BY semvon.start
+				LIMIT 1";
+
+		if ($this->db_query($qry))
+		{
+			if($row = $this->db_fetch_object())
+			{
+				$summe = ($row->studierendenbeitrag + $row->versicherung) * -1;
+				return number_format((float)$summe, 2, '.', '');
+			}
+			return false;
+		}
+		else
+		{
+			$this->errormsg = 'Fehler bei der Abfrage aufgetreten';
+			return false;
+		}
+	}
 }
 
 ?>
diff --git a/include/pruefling.class.php b/include/pruefling.class.php
index efe660ca9..698624c73 100644
--- a/include/pruefling.class.php
+++ b/include/pruefling.class.php
@@ -584,6 +584,32 @@ class pruefling extends basis_db
 		
 		$qry .= " LIMIT 1";
 
+		if($result = $this->db_query($qry))
+		{
+			if ($this->db_num_rows($result) == 0)
+				return false;
+			else
+				return true;
+		}
+		else
+		{
+			$this->errormsg = 'Fehler bei einer Abfrage';
+			return false;
+		}
+	}
+	public function personAlreadyInRT($person_id, $reihungstest_id, $prestudent_id)
+	{
+		$qry = "SELECT tbl_prestudent.prestudent_id
+				FROM public.tbl_rt_person
+					JOIN public.tbl_prestudent ON tbl_prestudent.person_id = tbl_rt_person.person_id
+					JOIN public.tbl_prestudentstatus ON tbl_prestudent.prestudent_id = tbl_prestudentstatus.prestudent_id AND status_kurzbz = 'Bewerber'
+						AND tbl_prestudentstatus.studienplan_id = tbl_rt_person.studienplan_id
+				WHERE tbl_rt_person.person_id = " . $this->db_add_param($person_id) . "
+					AND tbl_rt_person.rt_id = " . $this->db_add_param($reihungstest_id) . "
+					AND tbl_prestudent.prestudent_id != " . $this->db_add_param($prestudent_id) . "
+					AND get_rolle_prestudent(tbl_prestudent.prestudent_id, NULL) = 'Bewerber'
+				LIMIT 1";
+
 		if($result = $this->db_query($qry))
 		{
 			if ($this->db_num_rows($result) == 0)
diff --git a/locale/de-AT/testtool.php b/locale/de-AT/testtool.php
index 33c46b0a7..9f45e251f 100644
--- a/locale/de-AT/testtool.php
+++ b/locale/de-AT/testtool.php
@@ -17,6 +17,7 @@ $this->phrasen['testtool/basic']='Basic';
 $this->phrasen['testtool/basisgebiete']='Basisgebiete';
 $this->phrasen['testtool/semester']='Semester';
 $this->phrasen['testtool/reihungstestNichtFreigeschalten']='Der zuteilte Reihungstest ist noch nicht freigeschaltet';
+$this->phrasen['testtool/reihungstestNichtRegistriert']='Sie sind für den Reihungstest nicht registriert';
 $this->phrasen['testtool/reihungstestKannNichtGeladenWerden']='Der Reihungstest dem Sie zugeteilt sind, kann nicht geladen werden. Melden Sie sich bitte bei der Reihungstestaufsicht.';
 $this->phrasen['testtool/geburtsdatumStimmtNichtUeberein']='Ihr Geburtsdatum stimmt nicht mit unseren Daten überein. Bitte wenden Sie sich an die Aufsichtsperson';
 $this->phrasen['testtool/home']='Home';
@@ -31,10 +32,14 @@ $this->phrasen['testtool/keineAntwort']='Keine Antwort';
 $this->phrasen['testtool/speichernUndWeiter']='Speichern und weiter';
 $this->phrasen['testtool/alleFragenBeantwortet']='GLÜCKWUNSCH! \n\nSie haben alle Fragen in der zur Verfügung stehenden Zeit beantwortet. \nNutzen Sie die verbleibende Zeit, um Ihre Antworten zu kontrollieren oder fahren Sie mit dem nächsten Teilgebiet fort.';
 $this->phrasen['testtool/zeitAbgelaufen']='Die Maximalzeit für dieses Gebiet ist abgelaufen, oder alle Fragen wurden beantwortet';
+$this->phrasen['testtool/alleGebietGestartet']='Sie haben alle Gebiete bearbeitet.';
+$this->phrasen['testtool/alleGebieteGestartetInfo']='Sie können sich nun ausloggen und den Browser schließen.';
 $this->phrasen['testtool/spracheDerTestfragen']='Gewünschte Sprache der Testfragen';
 $this->phrasen['testtool/einleitung']='Einleitung';
 $this->phrasen['testtool/blaettern']='Blättern';
 $this->phrasen['testtool/demo']='Demobeispiel ansehen';
+$this->phrasen['testtool/abbrechen']='Abbrechen';
+$this->phrasen['testtool/startGebiet']='Gebiet starten';
 $this->phrasen['testtool/okKlickenUmZuStarten']='Klicken Sie OK um dieses Gebiet zu starten. \nSie haben für die Bearbeitung ein Zeitlimit von';
 $this->phrasen['testtool/bitteZuerstAnmelden']='Bitte zuerst anmelden!';
 $this->phrasen['testtool/fehlerBeimGenerierenDesFragenpools']='Fehler beim generieren des Fragenpools';
diff --git a/locale/en-US/testtool.php b/locale/en-US/testtool.php
index 260b5ceea..24dfac2db 100644
--- a/locale/en-US/testtool.php
+++ b/locale/en-US/testtool.php
@@ -17,6 +17,7 @@ $this->phrasen['testtool/basic']='Basic';
 $this->phrasen['testtool/basisgebiete']='Basic test';
 $this->phrasen['testtool/semester']='Semester';
 $this->phrasen['testtool/reihungstestNichtFreigeschalten']='The entrance examination assigned has not yet been activated.';
+$this->phrasen['testtool/reihungstestNichtRegistriert']='You are not registered for the placement test.';
 $this->phrasen['testtool/reihungstestKannNichtGeladenWerden']='The placement test you are assigned to could not be loaded. Please contact the placement test supervisior.';
 $this->phrasen['testtool/geburtsdatumStimmtNichtUeberein']='Your date of birth does not correspond to the data we have. Please speak to the supervisor. ';
 $this->phrasen['testtool/home']='Home';
@@ -31,10 +32,14 @@ $this->phrasen['testtool/keineAntwort']='No Answer';
 $this->phrasen['testtool/speichernUndWeiter']='Save and next';
 $this->phrasen['testtool/alleFragenBeantwortet']='CONGRATULATIONS!\n\nYou have answered all the questions in the time allowed.\n Use the remaining time to check your answers or continue to the next section.';
 $this->phrasen['testtool/zeitAbgelaufen']='The time for this part has expired or you have answered all the questions.';
+$this->phrasen['testtool/alleGebietGestartet']='You have worked on all sections.';
+$this->phrasen['testtool/alleGebieteGestartetInfo']='You can now log out and close the browser.';
 $this->phrasen['testtool/spracheDerTestfragen']='Desired language of questions';
 $this->phrasen['testtool/einleitung']='Introduction';
 $this->phrasen['testtool/blaettern']='Browse';
 $this->phrasen['testtool/demo']='See an example';
+$this->phrasen['testtool/abbrechen']='Cancel';
+$this->phrasen['testtool/startGebiet']='Start the section';
 $this->phrasen['testtool/okKlickenUmZuStarten']='Click OK to start this section. \nYou have a timelimit of';
 $this->phrasen['testtool/bitteZuerstAnmelden']='Please log in first!';
 $this->phrasen['testtool/fehlerBeimGenerierenDesFragenpools']='Error in generating the pool of questions.';
diff --git a/public/css/Studentenverwaltung.css b/public/css/Studentenverwaltung.css
index cb4b8f2e9..fb56ec75c 100644
--- a/public/css/Studentenverwaltung.css
+++ b/public/css/Studentenverwaltung.css
@@ -197,10 +197,6 @@ html.fs_huge {
 	margin-bottom: -1px;
 }
 
-.tiny-90 div.tox.tox-tinymce {
-	height: 90% !important;
-}
-
 /* slim begin */
 .stv .form-label {
 	margin-bottom: .15rem;
diff --git a/public/js/api/factory/stv/konto.js b/public/js/api/factory/stv/konto.js
index 6c17d460d..c6c167f6a 100644
--- a/public/js/api/factory/stv/konto.js
+++ b/public/js/api/factory/stv/konto.js
@@ -38,6 +38,10 @@ export default {
 		};
 	},
 	insert(params) {
+		if(params.betrag)
+		{
+			params.betrag = params.betrag.replace(',', '.');
+		}
 		return {
 			method: 'post',
 			url: 'api/frontend/v1/stv/konto/insert',
@@ -52,6 +56,10 @@ export default {
 		};
 	},
 	edit(params) {
+		if(params.betrag)
+		{
+			params.betrag = params.betrag.replace(',', '.');
+		}
 		return {
 			method: 'post',
 			url: 'api/frontend/v1/stv/konto/update',
@@ -65,10 +73,14 @@ export default {
 			params: { buchungsnr }
 		};
 	},
-	getBuchungstypen() {
+	getBuchungstypen(studiensemester_kurzbz) {
+		let url = 'api/frontend/v1/stv/konto/getBuchungstypen'
+		if (!!studiensemester_kurzbz)
+			url = url + '/' + encodeURIComponent(studiensemester_kurzbz);
+
 		return {
 			method: 'get',
-			url: 'api/frontend/v1/stv/konto/getBuchungstypen'
+			url: url
 		};
-	}
+	},
 };
\ No newline at end of file
diff --git a/public/js/components/Messages/Details/NewMessage/Modal.js b/public/js/components/Messages/Details/NewMessage/Modal.js
index eeda421e6..b23eebbcd 100644
--- a/public/js/components/Messages/Details/NewMessage/Modal.js
+++ b/public/js/components/Messages/Details/NewMessage/Modal.js
@@ -63,7 +63,7 @@ export default {
 			const vm = this;
 			tinymce.init({
 				target: this.$refs.editor.$refs.input, //Important: not selector: to enable multiple import of component
-				//height: 800,
+				min_height: 300,
 				//plugins: ['lists'],
 				toolbar: 'styleselect | bold italic underline | alignleft aligncenter alignright alignjustify | link',
 				plugins: 'link',
@@ -313,7 +313,7 @@ export default {
 
 				<div class="row">
 					<div class="col-sm-8">
-						<form-form class="row g-3 mt-2 h-100" ref="formMessage">
+						<form-form class="row g-3 mt-2 align-content-start" ref="formMessage">
 
 							<div class="row mb-3">
 
@@ -338,7 +338,7 @@ export default {
 							</div>
 
 							<!--Tiny MCE-->
-							<div class="row mb-3 h-100 tiny-90">
+							<div class="row mb-3 tiny-90">
 								<form-input
 									ref="editor"
 									:label="$p.t('global','nachricht')  + ' *'"
diff --git a/public/js/components/Messages/Details/NewMessage/NewDiv.js b/public/js/components/Messages/Details/NewMessage/NewDiv.js
index 2e6ef30c5..00b4e92a8 100644
--- a/public/js/components/Messages/Details/NewMessage/NewDiv.js
+++ b/public/js/components/Messages/Details/NewMessage/NewDiv.js
@@ -62,7 +62,7 @@ export default {
 			const vm = this;
 			tinymce.init({
 				target: this.$refs.editor.$refs.input, //Important: not selector: to enable multiple import of component
-				//height: 800,
+				min_height: 300,
 				//plugins: ['lists'],
 				toolbar: 'styleselect | bold italic underline | alignleft aligncenter alignright alignjustify | link',
 				plugins: 'link',
diff --git a/public/js/components/Messages/Details/TableMessages.js b/public/js/components/Messages/Details/TableMessages.js
index aefa8bb2a..d523d5362 100644
--- a/public/js/components/Messages/Details/TableMessages.js
+++ b/public/js/components/Messages/Details/TableMessages.js
@@ -30,6 +30,7 @@ export default {
 			personId: null,
 			layoutColumnsOnNewData:	false,
 			height: '400',
+			arePhrasesLoaded: false
 		}
 	},
 	methods: {
@@ -195,7 +196,7 @@ export default {
 						],
 						formatter: (cell, formatterParams) => {
 							const key = formatterParams[cell.getValue()];
-							return this.$p.t('messages', key);
+							return this.$p?.t?.('messages', key) || key;
 						},
 					},
 					{
@@ -305,8 +306,6 @@ export default {
 				{
 					event: 'tableBuilt',
 					handler: async() => {
-						await this.$p.loadCategory(['global', 'person', 'stv', 'messages', 'ui', 'notiz']);
-
 						const setHeader = (field, text) => {
 							const col = this.$refs.table.tabulator.getColumn(field);
 							if (!col) return;
@@ -357,6 +356,12 @@ export default {
 				});*/
 	},
 	created(){
+		this.$p
+			.loadCategory(['global', 'person', 'stv', 'messages', 'ui', 'notiz'])
+			.then(() => {
+				this.arePhrasesLoaded = true;
+			});
+
 		if(this.typeId != 'person_id' && Array.isArray(this.id) && this.id.length === 1) {
 			const params = {
 				id: this.id,
@@ -381,6 +386,7 @@ export default {
 				<!--table-->
 				<div class="col-sm-6 pt-1">
 					<core-filter-cmpt
+						v-if="arePhrasesLoaded"
 						ref="table"
 						:tabulator-options="tabulatorOptions"
 						:tabulator-events="tabulatorEvents"
@@ -413,6 +419,7 @@ export default {
 				<div class="col-sm-12 pt-6">
 					<core-filter-cmpt
 						ref="table"
+						v-if="arePhrasesLoaded"
 						:tabulator-options="tabulatorOptions"
 						:tabulator-events="tabulatorEvents"
 						table-only
diff --git a/public/js/components/Studierendenantrag/Form/Unterbrechung.js b/public/js/components/Studierendenantrag/Form/Unterbrechung.js
index 20bda7138..7fab231ca 100644
--- a/public/js/components/Studierendenantrag/Form/Unterbrechung.js
+++ b/public/js/components/Studierendenantrag/Form/Unterbrechung.js
@@ -90,6 +90,17 @@ export default {
 								msg,
 								severity: this.statusSeverity
 							});
+
+							if (this.data.status === 'Abgelehnt' &&  this.data?.status_grund?.trim())
+							{
+								this.$emit('setInfos', [
+									{
+										title: this.$p.t('studierendenantrag', 'status_grund_abgelehnt'),
+										body: this.data.status_grund,
+										severity: this.statusSeverity
+									}
+								]);
+							}
 						}
 						return result;
 					}
diff --git a/public/js/components/Studierendenantrag/Leitung.js b/public/js/components/Studierendenantrag/Leitung.js
index dc412c6c2..847ebf645 100644
--- a/public/js/components/Studierendenantrag/Leitung.js
+++ b/public/js/components/Studierendenantrag/Leitung.js
@@ -18,7 +18,8 @@ export default {
 	},
 	props: {
 		stgL: Array,
-		stgA: Array
+		stgA: Array,
+		abmeldung_enabled: Boolean
 	},
 	data() {
 		return {
@@ -255,6 +256,7 @@ export default {
 		<leitung-actions
 			:stg-a="stgkzA"
 			:stg-l="stgkzL"
+			:abmeldung_enabled="abmeldung_enabled"
 			:selectedData="selectedData"
 			:columns="columns"
 			@reload="reload"
diff --git a/public/js/components/Studierendenantrag/Leitung/Actions.js b/public/js/components/Studierendenantrag/Leitung/Actions.js
index 2720a7df5..075505286 100644
--- a/public/js/components/Studierendenantrag/Leitung/Actions.js
+++ b/public/js/components/Studierendenantrag/Leitung/Actions.js
@@ -10,7 +10,8 @@ export default {
 		selectedData: Array,
 		columns: Array,
 		stgL: Array,
-		stgA: Array
+		stgA: Array,
+		abmeldung_enabled: Boolean,
 	},
 	emits: [
 		'reload',
@@ -64,7 +65,7 @@ export default {
 	template: `
 	<div class="studierendenantrag-leitung-actions fhc-table-actions d-flex flex-wrap justify-content-between mb-2">
 		<div class="d-flex align-items-center gap-2">
-			<actions-new @reload="$emit('reload')"></actions-new>
+			<actions-new v-if="abmeldung_enabled" @reload="$emit('reload')"></actions-new>
 			<button type="button" class="btn btn-outline-secondary" @click="$emit('reload')" :title="$p.t('table','reload')">
 				<i class="fa-solid fa-rotate-right"></i>
 			</button>
diff --git a/public/js/components/Studierendenantrag/Leitung/Table.js b/public/js/components/Studierendenantrag/Leitung/Table.js
index fa5f50939..5b4320b33 100644
--- a/public/js/components/Studierendenantrag/Leitung/Table.js
+++ b/public/js/components/Studierendenantrag/Leitung/Table.js
@@ -55,7 +55,7 @@ export default {
 			return this.$api
 				.call(ApiStudstatusLeitung.getHistory(this.lastHistoryClickedId))
 				.then(res => {
-					this.historyData = res.data.sort((a, b) => a.insertamum > b.insertamum);
+					this.historyData = res.data;
 				})
 				.catch(this.$fhcAlert.handleSystemError);
 		},
diff --git a/public/js/components/Stv/Studentenverwaltung/Details/Konto/New.js b/public/js/components/Stv/Studentenverwaltung/Details/Konto/New.js
index cdb32de99..4060b5961 100644
--- a/public/js/components/Stv/Studentenverwaltung/Details/Konto/New.js
+++ b/public/js/components/Stv/Studentenverwaltung/Details/Konto/New.js
@@ -83,6 +83,8 @@ export default {
 				});
 		},
 		open() {
+
+			this.getBuchungstypen(this.currentSemester);
 			this.data = {
 				buchungstyp_kurzbz: '',
 				betrag: '-0.00',
@@ -105,7 +107,7 @@ export default {
 			const text = typ.standardtext || '';
 			const creditpoints = typ.credit_points || '';
 
-			if (!this.data.betrag || this.data.betrag == '-0.00')
+			if (!this.data.betrag || this.data.betrag == '-0.00' || this.data.betrag !== amount)
 				this.data.betrag = amount;
 
 			if (!this.data.buchungstext)
@@ -113,7 +115,18 @@ export default {
 
 			if (this.config.showCreditpoints && (this.data.credit_points == '0.00' || this.data.credit_points === null))
 				this.data.credit_points = creditpoints;
-		}
+		},
+		getBuchungstypen(studiensemester_kurzbz)
+		{
+			this.$api
+				.call(ApiKonto.getBuchungstypen(studiensemester_kurzbz))
+				.then(result => {
+					this.lists.buchungstypen = result.data;
+					if (this.data.buchungstyp_kurzbz)
+						this.checkDefaultBetrag(this.data.buchungstyp_kurzbz);
+				})
+				.catch(this.$fhcAlert.handleSystemError);
+		},
 	},
 	template: `
 	<core-form ref="form" class="stv-details-konto-edit" @submit.prevent="save">
@@ -166,6 +179,7 @@ export default {
 				<form-input
 					type="select"
 					v-model="data.studiensemester_kurzbz"
+					@change="getBuchungstypen(data.studiensemester_kurzbz)"
 					name="studiensemester_kurzbz"
 					:label="$p.t('lehre/studiensemester')"
 					>
diff --git a/public/js/components/Vertraege/List/Details.js b/public/js/components/Vertraege/List/Details.js
index 8df6a6985..c43f8c893 100644
--- a/public/js/components/Vertraege/List/Details.js
+++ b/public/js/components/Vertraege/List/Details.js
@@ -41,8 +41,8 @@ export default {
 				),
 				ajaxResponse: (url, params, response) => response.data,
 				columns: [
-					{title: "Typ", field: "type"},
-					{title: "Betrag", field: "betrag",
+					{title: "Typ", field: "type", headerFilter: "list", headerFilterParams: {valuesLookup:true, listOnEmpty:true, autocomplete:true, sort:"asc"}},
+					{title: "Betrag", field: "betrag", headerFilter: true,
 						formatter: function(cell) {
 							let value = cell.getValue();
 							if (value == null) {
@@ -51,14 +51,14 @@ export default {
 							return parseFloat(value).toFixed(2);
 						}
 					},
-					{title: "Bezeichnung", field: "bezeichnung"},
-					{title: "Studiensemester", field: "studiensemester_kurzbz"},
-					{title: "Pruefung_id", field: "pruefung_id", visible: false},
-					{title: "mitarbeiter_uid", field: "mitarbeiter_uid", visible: false},
-					{title: "projektarbeit_id", field: "projektarbeit_id", visible: false},
-					{title: "lehreinheit_id", field: "lehreinheit_id", visible: true},
-					{title: "betreuerart_kurzbz", field: "betreuerart_kurzbz", visible: false},
-					{title: "vertrag_id", field: "vertrag_id", visible: false}, //just for testing
+					{title: "Bezeichnung", field: "bezeichnung", headerFilter: true},
+					{title: "Studiensemester", field: "studiensemester_kurzbz", headerFilter: "list", headerFilterParams: {valuesLookup:true, listOnEmpty:true, autocomplete:true, sort:"asc"}},
+					{title: "Pruefung_id", field: "pruefung_id", visible: false, headerFilter: true},
+					{title: "mitarbeiter_uid", field: "mitarbeiter_uid", visible: false, headerFilter: true},
+					{title: "projektarbeit_id", field: "projektarbeit_id", visible: false, headerFilter: true},
+					{title: "lehreinheit_id", field: "lehreinheit_id", visible: true, headerFilter: true},
+					{title: "betreuerart_kurzbz", field: "betreuerart_kurzbz", visible: false, headerFilter: true},
+					{title: "vertrag_id", field: "vertrag_id", visible: false, headerFilter: true}, //just for testing
 					{
 						title: 'Aktionen', field: 'actions',
 						minWidth: 50,
@@ -110,10 +110,10 @@ export default {
 				],
 				layout: 'fitColumns',
 				layoutColumnsOnNewData: false,
-				height: '200',
+				height: '250',
 				selectableRowsRangeMode: 'click',
 				selectableRows: true,
-				persistenceID: 'core-contracts-details-2026021701'
+				persistenceID: 'core-contracts-details-2026050501'
 			},
 			tabulatorEvents: [
 				{
@@ -137,7 +137,7 @@ export default {
 
 						setHeader('type', this.$p.t('global', 'typ'));
 						setHeader('bezeichnung', this.$p.t('ui', 'bezeichnung'));
-						setHeader('lehreinheit_id', this.$p.t('ui', 'lehreinheit_id'));
+						setHeader('lehreinheit_id', this.$p.t('lehre', 'lehreinheit_id'));
 						setHeader('betrag', this.$p.t('ui', 'betrag'));
 						setHeader('studiensemester_kurzbz', this.$p.t('lehre', 'studiensemester'));
 						setHeader('mitarbeiter_uid', this.$p.t('ui', 'mitarbeiter_uid'));
diff --git a/public/js/components/Vertraege/List/Status.js b/public/js/components/Vertraege/List/Status.js
index 531b2f553..53af7bc40 100644
--- a/public/js/components/Vertraege/List/Status.js
+++ b/public/js/components/Vertraege/List/Status.js
@@ -47,12 +47,13 @@ export default {
 					this.endpoint.getStatiOfContract(this.person_id, this.vertrag_id)
 				),
 				ajaxResponse: (url, params, response) => response.data,
-				persistenceID: 'core-contracts-status-2026021701',
+				persistenceID: 'core-contracts-status-2026050501',
 				columns: [
-					{title: "Status", field: "bezeichnung"},
+					{title: "Status", field: "bezeichnung", headerFilter: "list", headerFilterParams: {valuesLookup:true, listOnEmpty:true, autocomplete:true, sort:"asc"}},
 					{
 						title: "Datum",
 						field: "datum",
+						headerFilter: true,
 						formatter: function (cell) {
 							const dateStr = cell.getValue();
 							const date = new Date(dateStr); // Convert to Date object
@@ -66,14 +67,15 @@ export default {
 							});
 						}
 					},
-					{title: "vertrag_id", field: "vertrag_id", visible: false},
-					{title: "Vertragsstatus", field: "vertragsstatus_kurzbz", visible: false},
-					{title: "User", field: "mitarbeiter_uid", visible: false},
-					{title: "insertvon", field: "insertvon", visible: false},
+					{title: "vertrag_id", field: "vertrag_id", visible: false, headerFilter: true},
+					{title: "Vertragsstatus", field: "vertragsstatus_kurzbz", visible: false, headerFilter: true},
+					{title: "User", field: "mitarbeiter_uid", visible: false, headerFilter: true},
+					{title: "insertvon", field: "insertvon", visible: false, headerFilter: true},
 					{
 						title: "insertamum",
 						field: "insertamum",
 						visible: false,
+						headerFilter: true,
 						formatter: function (cell) {
 							const dateStr = cell.getValue();
 							const date = new Date(dateStr);
@@ -87,11 +89,12 @@ export default {
 							});
 						}
 					},
-					{title: "updatevon", field: "updatevon", visible: false},
+					{title: "updatevon", field: "updatevon", visible: false, headerFilter: true},
 					{
 						title: "updateamum",
 						field: "updateamum",
 						visible: false,
+						headerFilter: true,
 						formatter: function (cell) {
 							const dateStr = cell.getValue();
 							const date = new Date(dateStr);
@@ -148,7 +151,7 @@ export default {
 				],
 				layout: 'fitColumns',
 				layoutColumnsOnNewData: false,
-				height: '200',
+				height: '250',
 				selectableRowsRangeMode: 'click',
 				selectableRows: true,
 			},
diff --git a/public/js/components/Vertraege/List/Unassigned.js b/public/js/components/Vertraege/List/Unassigned.js
index 655a2b078..1b4b728e7 100644
--- a/public/js/components/Vertraege/List/Unassigned.js
+++ b/public/js/components/Vertraege/List/Unassigned.js
@@ -30,10 +30,11 @@ export default {
 				),
 				ajaxResponse: (url, params, response) => response.data,
 				columns: [
-					{title: "Typ", field: "type", width: 100},
+					{title: "Typ", field: "type", width: 100, headerFilter: "list", headerFilterParams: {valuesLookup:true, listOnEmpty:true, autocomplete:true, sort:"asc"}},
 					{
 						title: "Betrag",
 						field: "betrag1",
+						headerFilter: true,
 						formatter: function(cell) {
 							let value = cell.getValue();
 							if (value == null) {
@@ -41,28 +42,29 @@ export default {
 							}
 							return parseFloat(value).toFixed(2);
 						}},
-					{title: "Bezeichnung", field: "bezeichnung", width: 150},
-					{title: "Studiensemester", field: "studiensemester_kurzbz",  width: 160},
-					{title: "mitarbeiter_uid", field: "mitarbeiter_uid", visible: false},
-					{title: "projektarbeit_id", field: "projektarbeit_id", visible: false},
-					{title: "lehreinheit_id", field: "lehreinheit_id", visible: true},
-					{title: "betreuerart_kurzbz", field: "betreuerart_kurzbz", visible: false},
-					{title: "Vertragsstunden", field: "vertragsstunden", visible: false},
-					{title: "vertrag_id", field: "vertrag_id", visible: false}, //just for testing
+					{title: "Bezeichnung", field: "bezeichnung", width: 150, headerFilter: true},
+					{title: "Studiensemester", field: "studiensemester_kurzbz",  width: 160, headerFilter: "list", headerFilterParams: {valuesLookup:true, listOnEmpty:true, autocomplete:true, sort:"asc"}},
+					{title: "mitarbeiter_uid", field: "mitarbeiter_uid", visible: false, headerFilter: true},
+					{title: "projektarbeit_id", field: "projektarbeit_id", visible: false, headerFilter: true},
+					{title: "lehreinheit_id", field: "lehreinheit_id", visible: true, headerFilter: true},
+					{title: "betreuerart_kurzbz", field: "betreuerart_kurzbz", visible: false, headerFilter: true},
+					{title: "Vertragsstunden", field: "vertragsstunden", visible: false, headerFilter: true},
+					{title: "vertrag_id", field: "vertrag_id", visible: false, headerFilter: true}, //just for testing
 					{
 						title: "VertragsstundenStudiensemester",
 						field: "vertragsstunden_studiensemester_kurzbz",
-						visible: false
+						visible: false,
+						headerFilter: true
 					},
 				],
 				layout: 'fitColumns',
 				layoutColumnsOnNewData: false,
-				height: 150,
+				height: 250,
 				selectableRowsRangeMode: 'click',
 				selectableRows: true,
 				selectableRowsRollingSelection: false, //only allow multiselect with STRG
 				index: "lehreinheit_id",
-				persistenceID: 'core-contracts-unassigned-2026021701'
+				persistenceID: 'core-contracts-unassigned-2026050501'
 			},
 			tabulatorEvents: [
 				{
@@ -100,7 +102,7 @@ export default {
 
 							setHeader('type', this.$p.t('global', 'typ'));
 							setHeader('bezeichnung', this.$p.t('ui', 'bezeichnung'));
-							setHeader('lehreinheit_id', this.$p.t('ui', 'lehreinheit_id'));
+							setHeader('lehreinheit_id', this.$p.t('lehre', 'lehreinheit_id'));
 							setHeader('betrag1', this.$p.t('ui', 'betrag'));
 							setHeader('studiensemester_kurzbz', this.$p.t('lehre', 'studiensemester'));
 							setHeader('mitarbeiter_uid', this.$p.t('ui', 'mitarbeiter_uid'));
diff --git a/public/js/components/Vertraege/Vertraege.js b/public/js/components/Vertraege/Vertraege.js
index d4d65e428..b166e71ba 100644
--- a/public/js/components/Vertraege/Vertraege.js
+++ b/public/js/components/Vertraege/Vertraege.js
@@ -20,9 +20,6 @@ export default {
 		ContractStati
 	},
 	inject: {
-/*		cisRoot: {
-			from: 'cisRoot'
-		},*/
 		hasSchreibrechte: {
 			from: 'hasSchreibrechte',
 			default: false
@@ -54,9 +51,9 @@ export default {
 				),
 				ajaxResponse: (url, params, response) => response.data,
 				columns: [
-					{title: "Bezeichnung", field: "bezeichnung", width: 300},
+					{title: "Bezeichnung", field: "bezeichnung", width: 300, headerFilter: true},
 					{
-						title: "Betrag", field: "betrag", width: 100,
+						title: "Betrag", field: "betrag", width: 100, headerFilter: true,
 						formatter: function (cell) {
 							let value = cell.getValue();
 
@@ -66,12 +63,13 @@ export default {
 							return parseFloat(value).toFixed(2);
 						}
 					},
-					{title: "Vertragstyp", field: "vertragstyp_bezeichnung", width: 125},
-					{title: "Status", field: "status", width: 100},
+					{title: "Vertragstyp", field: "vertragstyp_bezeichnung", width: 125, headerFilter: "list", headerFilterParams: {valuesLookup:true, listOnEmpty:true, autocomplete:true, sort:"asc"}},
+					{title: "Status", field: "status", width: 100, headerFilter: "list", headerFilterParams: {valuesLookup:true, listOnEmpty:true, autocomplete:true, sort:"asc"}},
 					{
 						title: "Vertragsdatum",
 						field: "vertragsdatum",
 						width: 128,
+						headerFilter: true,
 						formatter: function (cell) {
 							const dateStr = cell.getValue();
 							const date = new Date(dateStr);
@@ -82,11 +80,11 @@ export default {
 							});
 						}
 					},
-					{title: "VertragId", field: "vertrag_id", visible: false},
-					{title: "Vertragsstunden", field: "vertragsstunden", visible: false},
-					{title: "VertragsstundenStudiensemester", field: "vertragsstunden_studiensemester_kurzbz", visible: false},
-					{title: "Anmerkung", field: "anmerkung", visible: false},
-					{title: "isAbgerechnet", field: "isabgerechnet", visible: false},
+					{title: "VertragId", field: "vertrag_id", visible: false, headerFilter: true},
+					{title: "Vertragsstunden", field: "vertragsstunden", visible: false, headerFilter: true},
+					{title: "VertragsstundenStudiensemester", field: "vertragsstunden_studiensemester_kurzbz", visible: false, headerFilter: true},
+					{title: "Anmerkung", field: "anmerkung", visible: false, headerFilter: true},
+					{title: "isAbgerechnet", field: "isabgerechnet", visible: false, headerFilter: true},
 					{
 						title: 'Aktionen', field: 'actions',
 						minWidth: 150,
@@ -140,11 +138,13 @@ export default {
 					columns: true,
 					filter: false //to avoids js errors
 				},
-				persistenceID: 'core-contracts-2026021701',
+				persistenceID: 'core-contracts-2026050501',
 			};
 			return options;
 		},
 		tabulatorEvents() {
+			const vm = this;
+
 			const events = [
 				{
 					event: 'tableBuilt',
@@ -177,28 +177,11 @@ export default {
 						setHeader('actions', this.$p.t('global', 'aktionen'));
 					}
 				},
-/*				{
-					//is just enabled for ADDON Injection KU: MultiprintHonorarvertrag
-					//(maybe enable also for ADDON FH Burgenland: MultiAccept later)
-					event: 'rowClick',
-					handler: (e, row) => {
-						if (this.dataPrintHonorar != null && this.dataPrintHonorar.multiselect != null) {
-							const selectedContract = row.getData().vertrag_id;
-							const status = row.getData().status;
-							const bezeichnung =	row.getData().bezeichnung;
-
-							this.toggleRowClick(selectedContract, status, bezeichnung);
-						}
-					}
-				},*/
 				{
 					event: 'rowClick',
-					handler: (e, row) => {
-						if (!this.dataPrintHonorar?.multiselect) return;
-
+					handler: function (e, row) {
 						const { vertrag_id, status, bezeichnung, vertragstyp_bezeichnung } = row.getData();
-
-						this.toggleRowClick(e, vertrag_id, status, bezeichnung, vertragstyp_bezeichnung);
+						vm.toggleRowClick(e, vertrag_id, status, bezeichnung, vertragstyp_bezeichnung);
 					}
 				},
 				{
@@ -242,8 +225,6 @@ export default {
 		person_id() {
 			this.$refs.table.reloadTable();
 			this.arraySelectedContracts = [];
-/*			if(this.dataPrintHonorar?.multiselect)
-				this.dataPrintHonorar.multiselect = [];*/
 		},
 	},
 	methods: {
@@ -270,7 +251,6 @@ export default {
 				)
 				.then(result => {
 					this.$fhcAlert.alertSuccess(this.$p.t('ui', 'successDelete'));
-					//window.scrollTo(0, 0);
 					this.reload();
 					this.contractSelected.vertrag_id = null;
 				})
@@ -518,19 +498,9 @@ export default {
 					'content/pdfExport.php?xml=' + this.dataPrintHonorar.xml + '&xsl=' + this.dataPrintHonorar.xsl + '&mitarbeiter_uid=' + this.mitarbeiter_uid + vertragString + '&output=pdf&uid=' + this.mitarbeiter_uid;
 			window.open(linkToPdf, '_blank');
 		},
-/*		toggleRowClick(contractId, status, bezeichnung) {
-			const index = this.arraySelectedContracts.findIndex(
-				([id]) => id === contractId
-			);
-			if (index !== -1) {
-				this.arraySelectedContracts.splice(index, 1);
-			} else {
-				this.arraySelectedContracts.push([contractId, status, bezeichnung]);
-			}
-		},*/
 		toggleRowClick(event, vertrag_id, status, bezeichnung, vertragstyp_bezeichnung) {
-			if (!this.dataPrintHonorar?.multiselect) return;
 
+			const isMulti = this.dataPrintHonorar?.multiselect === true;
 			const isCtrl = event.ctrlKey || event.metaKey;
 
 			const entry = {
@@ -540,28 +510,29 @@ export default {
 				vertragstyp_bezeichnung
 			};
 
-			// Single click
-			if (!isCtrl) {
+			// allow MultiSelect just in case event multiActionPrintHonorarvertrag
+			const allowMultiClick = isMulti && isCtrl;
+
+			if (!allowMultiClick) {
 				this.arraySelectedContracts = [entry];
+
+				//just mark last selected row as selected
+				this.$refs.table.tabulator.deselectRow();
+				this.$refs.table.tabulator.selectRow(vertrag_id);
 				return;
 			}
 
-			// CTRL / CMD → toggle
 			const index = this.arraySelectedContracts.findIndex(
 				e => e.vertrag_id === vertrag_id
 			);
 
 			if (index === -1) {
 				this.arraySelectedContracts.push(entry);
-				//this.arraySelectedContracts.push([entry.vertrag_id, entry.status, entry.bezeichnung, entry.vertragstyp_bezeichnung]);
 			} else {
 				this.arraySelectedContracts.splice(index, 1);
 			}
-		},
-/*		clearSelection(){
-			this.arraySelectedContracts = [];
-			this.$refs.table.tabulator.deselectRow();
-		}*/
+
+		}
 	},
 	created() {
 		Promise.all([
@@ -587,88 +558,6 @@ export default {
 		});
 		this.getFormattedDate();
 	},
-	/*
-	TODO(Manu) delete after check
-
-		<div class="row mb-3">
-			<form-input
-				type="DatePicker"
-				:label="$p.t('vertrag/datum_vertrag')"
-				name="vertragsdatum"
-				v-model="formData.vertragsdatum"
-				auto-apply
-				:enable-time-picker="false"
-				format="dd.MM.yyyy"
-				preview-format="dd.MM.yyyy"
-				:teleport="true"
-				>
-			</form-input>
-		</div>
-
-		<div class="row mb-3">
-			<form-input
-				type="text"
-				:label="$p.t('ui/bezeichnung')"
-				name="bezeichnung"
-				v-model="formData.bezeichnung"
-				>
-			</form-input>
-		</div>
-		<div class="row mb-3">
-			<form-input
-				type="select"
-				:label="$p.t('global/typ')"
-				v-model="formData.vertragstyp_kurzbz"
-				name="vertragstyp_kurzbz"
-				>
-				<option :value="null">-- {{$p.t('fehlermonitoring', 'keineAuswahl')}} --</option>
-				<option
-					v-for="entry in listContractTypes"
-					:key="entry.vertragstyp_kurzbz"
-					:value="entry.vertragstyp_kurzbz"
-					>
-					{{entry.bezeichnung}}
-				</option>
-			</form-input>
-		</div>
-		<div class="row mb-3">
-			<form-input
-				:label="$p.t('ui/betrag')"
-				name="betrag"
-				v-model="formData.betrag"
-				>
-			</form-input>
-		</div>
-		<div class="row mb-3" v-if="!statusNew">
-			<form-input
-				type="text"
-				:label="$p.t('ui/stunden') + ' (' + $p.t('vertrag/vertrag_urfassung')+ ')'"
-				name="vertragsstunden"
-				v-model="formData.vertragsstunden"
-				disabled
-				>
-			</form-input>
-		</div>
-		<div class="row mb-3" v-if="!statusNew">
-			<form-input
-				type="text"
-				:label="$p.t('lehre/studiensemester') + ' (' + $p.t('vertrag/vertrag_urfassung')+ ')'"
-				name="vertragsstunden_studiensemester_kurzbz"
-				v-model="formData.vertragsstunden_studiensemester_kurzbz"
-				disabled
-				>
-			</form-input>
-		</div>
-		<div class="row mb-3">
-			<form-input
-				type="textarea"
-				:label="$p.t('global/anmerkung')"
-				name="anmerkung"
-				v-model="formData.anmerkung"
-				>
-			</form-input>
-		</div>
-	 */
 	template: `
 	<div class="core-contracts h-100 d-flex flex-column">
 
diff --git a/rdf/diplomasupplement.xml.php b/rdf/diplomasupplement.xml.php
index d5eb11c26..4b30b8691 100644
--- a/rdf/diplomasupplement.xml.php
+++ b/rdf/diplomasupplement.xml.php
@@ -705,7 +705,72 @@ if (isset($_REQUEST["xmlformat"]) && $_REQUEST["xmlformat"] == "xml")
 		}
 		echo ' </anrechnungen>';
 
+		//Berufliche Kompetenzen
+		$studienplan = new studienplan();
+		$studienplan->loadStudienplan($studienplan_id);
+		$regelstudiendauer = $studienplan->regelstudiendauer;
+		$studienplan_ects = $studienplan->ects_stpl;
+		$ects_berufliche_kompetenzen = 0;
+
+		//bei masterlehrgängen und $studienplan_ects >= 120 ECTS: Andruck der beruflichen Kompetenzen, wenn die Lv angerechnet wurde
+		//TODO(Manu) check if rule still valid
+		if ($row->typ == 'l' && $regelstudiendauer >= 4)
+		{
+			$ects_berufliche_kompetenzen = 0;
+			echo '<berufliche_kompetenzen>';
+			echo '<header_berufliche_kompetenz>Validierung von beruflich erworbenen Kompetenzen</header_berufliche_kompetenz>';
+
+			$qry_sem_0="
+				SELECT
+					lehrveranstaltung_id,
+					lehrform_kurzbz,
+					sws,
+					lehre.tbl_lehrveranstaltung.bezeichnung,
+					bezeichnung_english,
+					ects,
+					benotungsdatum,
+					note,
+					positiv,
+					offiziell,
+					note.anmerkung
+				FROM
+					lehre.tbl_zeugnisnote zeugnis
+					JOIN lehre.tbl_note note USING(note)
+					JOIN lehre.tbl_lehrveranstaltung USING(lehrveranstaltung_id)
+					JOIN public.tbl_student student USING(student_uid)
+				WHERE
+				    student_uid =".$db->db_add_param($uid_arr[$i])."
+				AND
+					lehre.tbl_lehrveranstaltung.semester = '0'
+					";
+
+			if($result_sem_0 = $db->db_query($qry_sem_0))
+			{
+				while ($row_sem_0 = $db->db_fetch_object($result_sem_0))
+				{
+					$benotungsdatum = $datum->formatDatum($row_sem_0->benotungsdatum, 'd/m/Y');
+					$note = $db->db_parse_bool($row_sem_0->offiziell) ?  $row_sem_0->anmerkung : $row_sem_0->note;
+					$ects_berufliche_kompetenzen += $row_sem_0->ects;
+
+					echo '<lv_sem0>
+						<lv_id>' . $row_sem_0->lehrveranstaltung_id . '</lv_id>
+						<lehrform_kurzbz>' . $row_sem_0->lehrform_kurzbz . '</lehrform_kurzbz>
+						<bezeichnung><![CDATA[' . $row_sem_0->bezeichnung . ']]></bezeichnung>
+						<bezeichnung_englisch><![CDATA[' . $row_sem_0->bezeichnung_english . ']]></bezeichnung_englisch>
+						<sws_lv>'.$row_sem_0->sws.'</sws_lv>
+						<ects>'.$row_sem_0->ects.'</ects>
+						<note_positiv>'.$db->db_parse_bool($row_sem_0->positiv).'</note_positiv>
+						<note>'.$note.'</note>
+						<benotungsdatum>'.$benotungsdatum.'</benotungsdatum>
+						</lv_sem0>';
+				}
+			}
+			echo '<ects_berufliche_kompetenz>'.$ects_berufliche_kompetenzen.'</ects_berufliche_kompetenz>';
+			echo '</berufliche_kompetenzen>';
+		}
+
 		echo "<studiensemester>";
+
 		for($start = $semesterNumberStart; $start <= $semesterNumberEnd; $start++)
 		{
 			$semester_ects = 0;
@@ -728,6 +793,7 @@ if (isset($_REQUEST["xmlformat"]) && $_REQUEST["xmlformat"] == "xml")
 				AND zeugnis = true
 				AND status.ausbildungssemester = ".$db->db_add_param($start)."
 				AND status.status_kurzbz NOT IN('Unterbrecher', 'Interessent','Bewerber','Aufgenommener','Abgewiesener','Wartender')
+				--AND	lehre.tbl_lehrveranstaltung.semester != '0'
 			ORDER BY datum ASC";
 
 			$semester_kurzbz = array();
@@ -776,6 +842,7 @@ if (isset($_REQUEST["xmlformat"]) && $_REQUEST["xmlformat"] == "xml")
 			WHERE
 				student_uid = ".$db->db_add_param($uid_arr[$i])."
 				AND zeugnis = true
+				AND	lehre.tbl_lehrveranstaltung.semester != '0'
 				AND studiensemester_kurzbz in (".$sqlStudent->implode4SQL($aktuellesSemester).")";
 
 			if (defined('ZEUGNISNOTE_NICHT_ANZEIGEN'))
@@ -1134,10 +1201,19 @@ if (isset($_REQUEST["xmlformat"]) && $_REQUEST["xmlformat"] == "xml")
 					}
 				}
 			}
+
 			echo '<ects_gesamt>'.$semester_ects.'</ects_gesamt>';
 			echo '<ects_gesamt_positiv>'.$semester_ects_positiv.'</ects_gesamt_positiv>';
 			echo "</semesters>";
 		}
+
+		//TODO(Manu) check if rule still valid
+		if ($row->typ == 'l' && $regelstudiendauer >= 4)
+		{
+			$ects_total += $ects_berufliche_kompetenzen;
+			$ects_total_positiv += $ects_berufliche_kompetenzen;
+		}
+
 		echo "</studiensemester>";
 		echo " <ects_total>$ects_total</ects_total>";
 		echo " <ects_total_positiv>$ects_total_positiv</ects_total_positiv>";
diff --git a/system/dbupdate_3.4.php b/system/dbupdate_3.4.php
index 8b6af9f2d..d43f1f3d3 100644
--- a/system/dbupdate_3.4.php
+++ b/system/dbupdate_3.4.php
@@ -94,6 +94,7 @@ require_once('dbupdate_3.4/71399_dashboard_update_widget_paths.php');
 require_once('dbupdate_3.4/71645_studvw_messagetab_ladezeit.php');
 require_once('dbupdate_3.4/71566_studienordnungsdokument_neuer_organisationseinheitstyp_programm.php');
 require_once('dbupdate_3.4/70376_lohnguide.php');
+require_once('dbupdate_3.4/75888_reihungstest_mehrfachdurchfuehrung.php');
 
 // *** Pruefung und hinzufuegen der neuen Attribute und Tabellen
 echo '<H2>Pruefe Tabellen und Attribute!</H2>';
diff --git a/system/dbupdate_3.4/70376_lohnguide.php b/system/dbupdate_3.4/70376_lohnguide.php
index 6cf2be38e..b5e9fcce2 100644
--- a/system/dbupdate_3.4/70376_lohnguide.php
+++ b/system/dbupdate_3.4/70376_lohnguide.php
@@ -264,8 +264,8 @@ CREATE TABLE IF NOT EXISTS hr.tbl_vertragsbestandteil_lohnguide (
     stellenbezeichnung varchar(255),
     fachrichtung_kurzbz character varying(32) NOT NULL,
     modellstelle_kurzbz character varying(32) NOT NULL,
-    kommentar_person varchar(255),
-    kommentar_modellstelle varchar(255),
+    kommentar_person text,
+    kommentar_modellstelle text,
     CONSTRAINT tbl_vertragsbestandteil_lohnguide_pk PRIMARY KEY (vertragsbestandteil_id),
 	CONSTRAINT tbl_vertragsbestandteil_fk FOREIGN KEY (vertragsbestandteil_id) REFERENCES hr.tbl_vertragsbestandteil (vertragsbestandteil_id) MATCH FULL ON DELETE RESTRICT ON UPDATE CASCADE,
 	CONSTRAINT tbl_vertragsbestandteil_lohnguide_fachrichtung_fk FOREIGN KEY (fachrichtung_kurzbz) REFERENCES hr.tbl_lohnguide_fachrichtung (fachrichtung_kurzbz) MATCH FULL ON DELETE RESTRICT ON UPDATE CASCADE,
diff --git a/system/dbupdate_3.4/75888_reihungstest_mehrfachdurchfuehrung.php b/system/dbupdate_3.4/75888_reihungstest_mehrfachdurchfuehrung.php
new file mode 100644
index 000000000..97c44d57d
--- /dev/null
+++ b/system/dbupdate_3.4/75888_reihungstest_mehrfachdurchfuehrung.php
@@ -0,0 +1,15 @@
+<?php
+if (! defined('DB_NAME')) exit('No direct script access allowed');
+
+if ($result = $db->db_query("SELECT * FROM pg_class WHERE relname='idx_tbl_benutzerfunktion_uid'"))
+{
+	if ($db->db_num_rows($result) == 0)
+	{
+		$qry = "CREATE INDEX idx_tbl_benutzerfunktion_uid ON public.tbl_benutzerfunktion USING btree (uid)";
+
+		if (! $db->db_query($qry))
+			echo '<strong>idx_tbl_benutzerfunktion_uid: ' . $db->db_last_error() . '</strong><br>';
+		else
+			echo 'Index idx_tbl_benutzerfunktion_uid angelegt<br>';
+	}
+}
diff --git a/system/phrasesupdate.php b/system/phrasesupdate.php
index 8a68a43ff..2c13cb77a 100644
--- a/system/phrasesupdate.php
+++ b/system/phrasesupdate.php
@@ -24257,6 +24257,26 @@ array(
 			)
 		)
 	),
+	array(
+		'app' => 'core',
+		'category' => 'studierendenantrag',
+		'phrase' => 'status_grund_abgelehnt',
+		'insertvon' => 'system',
+		'phrases' => array(
+			array(
+				'sprache' => 'German',
+				'text' => 'Grund der Ablehnung:',
+				'description' => '',
+				'insertvon' => 'system'
+			),
+			array(
+				'sprache' => 'English',
+				'text' => 'Reason for rejection:',
+				'description' => '',
+				'insertvon' => 'system'
+			)
+		)
+	),
 	array(
 		'app' => 'core',
 		'category' => 'studierendenantrag',
@@ -41761,7 +41781,7 @@ array(
 	array(
 		'app' => 'core',
 		'category' => 'abgabetool',
-		'phrase' => 'c4fehlerAktualitaetProjektarbeit ',
+		'phrase' => 'c4fehlerAktualitaetProjektarbeit',
 		'insertvon' => 'system',
 		'phrases' => array(
 			array(