diff --git a/application/controllers/lehre/Studierendenantrag.php b/application/controllers/lehre/Studierendenantrag.php
index ad333679d..8e6fbc1f5 100644
--- a/application/controllers/lehre/Studierendenantrag.php
+++ b/application/controllers/lehre/Studierendenantrag.php
@@ -22,6 +22,7 @@ class Studierendenantrag extends FHC_Controller
 		// Load Models
 		$this->load->model('education/Studierendenantrag_model', 'StudierendenantragModel');
 		$this->load->model('person/Person_model', 'PersonModel');
+		$this->load->model('crm/Prestudenstatus_model', 'PrestudentstatusModel');
 
 		// Load language phrases
 		$this->loadPhrases([
@@ -55,7 +56,8 @@ class Studierendenantrag extends FHC_Controller
 					'allowedNewTypes' => array(),
 					'antraege'=> array(),
 					'bezeichnungStg' => $antrag->bezeichnung,
-					'bezeichnungOrgform' => $antrag->orgform
+					'bezeichnungOrgform' => $antrag->orgform,
+					'hasStatusUnterbrecher' => false
 				);
 
 				if ($this->config->item('wiederholung_enabled') === true)
@@ -70,6 +72,11 @@ class Studierendenantrag extends FHC_Controller
 					$result = $this->antraglib->getPrestudentUnterbrechungsBerechtigt($antrag->prestudent_id);
 					if (getData($result) == 1)
 						$prestudentenArr[$antrag->prestudent_id]['allowedNewTypes'][] = 'Unterbrechung';
+					//check if already status unterbrecher
+					elseif (getData($result) == -4){
+						$prestudentenArr[$antrag->prestudent_id]['allowedNewTypes'][] = 'Unterbrechung';
+						$prestudentenArr[$antrag->prestudent_id]['hasStatusUnterbrecher'] = true;
+					}
 				}
 
 				if ($this->config->item('abmeldung_enabled') === true)
diff --git a/application/libraries/AntragLib.php b/application/libraries/AntragLib.php
index 35edc826c..4fe3dcc27 100644
--- a/application/libraries/AntragLib.php
+++ b/application/libraries/AntragLib.php
@@ -1427,9 +1427,19 @@ class AntragLib
 	 * 						retval -1 means has already an Antrag pending;
 	 * 						retval -2 means other Antrag pending;
 	 * 						retval -3 means in blacklist stg
+	 * 						retval -4 means existing Unterbrecher status in prestudent history
 	 */
 	public function getPrestudentUnterbrechungsBerechtigt($prestudent_id, $studiensemester_kurzbz = null, $datum_wiedereinstieg = null)
 	{
+		//check if Unterbrecherstatus
+		$result = $this->_ci->PrestudentstatusModel->loadWhere([
+			'prestudent_id' => $prestudent_id,
+			'status_kurzbz' => Prestudentstatus_model::STATUS_UNTERBRECHER
+		]);
+		$hasStatusUnterbrecher = hasData($result) ? true : false;
+		if ($hasStatusUnterbrecher)
+			return success(-4);
+
 		$result = $this->_ci->PrestudentModel->load($prestudent_id);
 		if (isError($result))
 			return $result;
diff --git a/application/views/lehre/Antrag/Student/List.php b/application/views/lehre/Antrag/Student/List.php
index 884d1f391..09025befe 100644
--- a/application/views/lehre/Antrag/Student/List.php
+++ b/application/views/lehre/Antrag/Student/List.php
@@ -57,6 +57,9 @@ if(defined('CIS4')){
 									if($type == 'Abmeldung' && $showInfoModalAbmeldung){
 										$href = "#modalinfo" . $prestudent_id;
 									}
+									elseif($type == 'Unterbrechung' && $array['hasStatusUnterbrecher']){
+										$href = "#modalalreadyinterruptor" . $prestudent_id;
+									}
 									else
 										$href = site_url('lehre/Studierendenantrag/' . strtolower($type) . '/' . $prestudent_id);
 								?>
@@ -67,10 +70,52 @@ if(defined('CIS4')){
 									<?php if($type == 'Abmeldung' && $showInfoModalAbmeldung): ?>
 										data-bs-toggle="modal"
 									<?php endif; ?>
+									<?php if($type == 'Unterbrechung' && $array['hasStatusUnterbrecher']): ?>
+										data-bs-toggle="modal"
+									<?php endif; ?>
 									>
 									<i class="fa fa-plus"></i> <?= $this->p->t('studierendenantrag', 'antrag_typ_' . $type); ?>
 								</a>
 
+							<!-- Modal interruptor-->
+
+							<div
+									class="modal fade"
+									id="modalalreadyinterruptor<?= $prestudent_id; ?>"
+									tabindex="-1"
+									aria-labelledby="modalalreadyinterruptorLabel<?= $prestudent_id; ?>"
+									aria-hidden="true"
+							>
+								<div class="modal-dialog modal-dialog modal-lg">
+									<div class="modal-content">
+										<div class="modal-header">
+											<h5
+													class="modal-title"
+													id="modalalreadyinterruptorLabel<?= $prestudent_id; ?>"
+											><?= $this->p->t('studierendenantrag', 'info_only_one_interruption'); ?>
+											</h5>
+											<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+										</div>
+										<?php
+										$hrefUnterbrechung = site_url('lehre/Studierendenantrag/unterbrechung/' . $prestudent_id);
+										?>
+										<div class="modal-body">
+											<div
+													class="form-control"
+													style="width: 100%; height: 250px;overflow:auto; white-space: normal;"
+											><?= $this->p->t('studierendenantrag', 'modalHinweistext_UB'); ?>
+											</div>
+										</div>
+
+										<div class="modal-footer">
+											<button type="button" class="btn btn-outline-primary" data-bs-dismiss="modal"><?= $this->p->t('ui', 'cancel'); ?></button>
+										</div>
+
+
+									</div>
+								</div>
+							</div>
+
 							<!-- Modal -->
 							<div
 									class="modal fade"
diff --git a/system/phrasesupdate.php b/system/phrasesupdate.php
index 448059932..ad5b9713c 100644
--- a/system/phrasesupdate.php
+++ b/system/phrasesupdate.php
@@ -62351,6 +62351,48 @@ I have been informed that I am under no obligation to consent to the transmissio
 			)
 		)
 	),
+	array(
+		'app' => 'core',
+		'category' => 'studierendenantrag',
+		'phrase' => 'modalHinweistext_UB',
+		'insertvon' => 'system',
+		'phrases' => array(
+			array(
+				'sprache' => 'German',
+				'text' => 'Du hast bereits einmal zuvor dein Studium unterbrochen.
+					Eine weitere Unterbrechung ist gemäß § 12 Z 5 Prüfungsordnung nicht vorgesehen.',
+				'description' => '',
+				'insertvon' => 'system'
+			),
+			array(
+				'sprache' => 'English',
+				'text' => 'You have already interrupted your studies once before.
+					A further interruption is not permitted according to Section 12 Z 5 of the examination regulations.',
+				'description' => '',
+				'insertvon' => 'system'
+			)
+		)
+	),
+	array(
+		'app' => 'core',
+		'category' => 'studierendenantrag',
+		'phrase' => 'info_only_one_interruption',
+		'insertvon' => 'system',
+		'phrases' => array(
+			array(
+				'sprache' => 'German',
+				'text' => 'Hinweis Unterbrechung',
+				'description' => '',
+				'insertvon' => 'system'
+			),
+			array(
+				'sprache' => 'English',
+				'text' => 'Note Interruption',
+				'description' => '',
+				'insertvon' => 'system'
+			)
+		)
+	),
 );