diff --git a/application/core/Tag_Controller.php b/application/core/Tag_Controller.php
index b321bac92..09f42922c 100644
--- a/application/core/Tag_Controller.php
+++ b/application/core/Tag_Controller.php
@@ -19,7 +19,6 @@ class Tag_Controller extends FHCAPI_Controller
 			'doneTag' => self::BERECHTIGUNG_KURZBZ,
 			'deleteTag' => self::BERECHTIGUNG_KURZBZ,
 			'getAllTags' => self::BERECHTIGUNG_KURZBZ,
-			'getSemDates' => self::BERECHTIGUNG_KURZBZ,
 			'getAllStartAndEndAutomatedTags' => self::BERECHTIGUNG_KURZBZ,
 			'rebuildTagsForTypeId' => self::BERECHTIGUNG_KURZBZ,
 		];
@@ -352,18 +351,6 @@ class Tag_Controller extends FHCAPI_Controller
 		$this->terminateWithSuccess($result);
 	}
 
-	public function getSemDates()
-	{
-		$studiensemester_kurzbz = $this->input->get('semester');
-		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
-		$result = $this->StudiensemesterModel->loadWhere(array('studiensemester_kurzbz' => $studiensemester_kurzbz));
-		if (isError($result))
-			return error('Error occurred during retrieving studiensemester');
-		$data = getData($result);
-		$this->terminateWithSuccess(current($data));
-
-	}
-
 	public function getAllStartAndEndAutomatedTags()
 	{
 		$this->NotizModel->addSelect('notiz_id as id');
diff --git a/public/js/api/factory/stv/tag.js b/public/js/api/factory/stv/tag.js
index 3a3f78167..522dfa3ff 100644
--- a/public/js/api/factory/stv/tag.js
+++ b/public/js/api/factory/stv/tag.js
@@ -61,14 +61,6 @@ export default {
 		};
 	},
 
-	getSemDates(studiensemester_kurzbz){
-		return {
-			method: 'get',
-			url: 'api/frontend/v1/stv/Tags/getSemDates',
-			params: studiensemester_kurzbz
-		};
-	},
-
 	getAllStartAndEndAutomatedTags(){
 		return {
 			method: 'get',
diff --git a/public/js/components/DetailHeader/DetailHeader.js b/public/js/components/DetailHeader/DetailHeader.js
index 076b7db56..486f363d9 100644
--- a/public/js/components/DetailHeader/DetailHeader.js
+++ b/public/js/components/DetailHeader/DetailHeader.js
@@ -53,6 +53,10 @@ export default {
 			from: 'currentSemester',
 			required: true
 		},
+		lists: {
+			from: 'lists',
+			required: true
+		},
 	},
 	computed: {
 		appRoot() {
@@ -81,6 +85,9 @@ export default {
 				return [this.headerData[0].prestudent_id];
 			}
 		},
+		semesterDates(){
+			return this.lists.studiensemester?.find(item => item.studiensemester_kurzbz === this.currentSemester) || {};
+		}
 	},
 	created(){
 		if (this.typeHeader === 'student') {
@@ -89,7 +96,6 @@ export default {
 			}
 
 			if(this.tagsEnabled) {
-				this.getSemesterDates(this.currentSemester);
 				this.loadTagsAndRender(this.headerData[0].prestudent_id);
 		}
 
@@ -119,14 +125,6 @@ export default {
 			},
 			deep: true,
 		},
-		currentSemester: {
-			handler(newVal) {
-				if (newVal) {
-					this.getSemesterDates(newVal);
-				}
-			},
-			deep: true,
-		}
 	},
 	data(){
 		return{
@@ -137,7 +135,6 @@ export default {
 			tagEndpoint: ApiTag,
 			tagData: null,
 			rebuildData: null,
-			semDates: {}
 		};
 	},
 	methods: {
@@ -234,8 +231,8 @@ export default {
 					this.tagData,
 					this.$refs.tagComponent,
 					'prestudent_id',
-					this.semDates.start,
-					this.semDates.ende
+					this.semesterDates.start,
+					this.semesterDates.ende
 				);
 
 			this.$refs.tagWrapper.innerHTML = '';
@@ -277,17 +274,6 @@ export default {
 				})
 				.catch(this.$fhcAlert.handleSystemError);
 		},
-		getSemesterDates(semester){
-			const params = {
-				studiensemester_kurzbz: semester
-			};
-			return this.$api
-				.call(ApiTag.getSemDates({semester}))
-				.then(result => {
-					this.semDates = result.data;
-				})
-				.catch(this.$fhcAlert.handleSystemError);
-		}
 	},
 	template: `
 		<div class="core-header d-flex justify-content-start align-items-center w-100 overflow-auto pb-2 gap-3" style="max-height:9rem; min-width: 37.5rem;">
diff --git a/public/js/components/Stv/Studentenverwaltung/List.js b/public/js/components/Stv/Studentenverwaltung/List.js
index e8c8dce41..ae7a577ee 100644
--- a/public/js/components/Stv/Studentenverwaltung/List.js
+++ b/public/js/components/Stv/Studentenverwaltung/List.js
@@ -238,7 +238,6 @@ export default {
 			oldScrollUrl: '',
 			oldScrollLeft: 0,
 			oldScrollTop: 0,
-			semDates: {},  //TODO(Manu) check injections
 			intervalMap: {}
 		}
 	},
@@ -293,12 +292,13 @@ export default {
 				.replace(/\//g, '_');
 			return "StudentList_" + today + ".csv";
 		},
+		semesterDates(){
+			return this.lists.studiensemester?.find(item => item.studiensemester_kurzbz === this.currentSemester) || {};
+		}
 	},
 	created: function() {
 
 		if(this.tagsEnabled) {
-			this.getSemesterDates(this.currentSemester);
-
 			this.loadIntervals(); //preload
 
 			const coltags = {
@@ -333,9 +333,9 @@ export default {
 
 					return tagFormatter(
 						enrichedTags,
-						this.$refs.tagComponent,
-						this.semDates.start,
-						this.semDates.ende
+						this.$refs?.tagComponent,
+						this.semesterDates?.start,
+						this.semesterDates?.ende
 					);
 				},
 				width: 150,
@@ -349,14 +349,6 @@ export default {
 				this.translateTabulator();
 			}
 		},
-		currentSemester: {
-			handler(newVal) {
-				if (newVal) {
-					this.getSemesterDates(newVal);
-				}
-			},
-			deep: true,
-		}
 	},
 	methods: {
 		loadIntervals() {
@@ -371,17 +363,6 @@ export default {
 				})
 				.catch(this.$fhcAlert.handleSystemError);
 		},
-		getSemesterDates(semester){ //TODO(check for injections)
-			const params = {
-				studiensemester_kurzbz: semester
-			};
-			return this.$api
-				.call(ApiTag.getSemDates({semester}))
-				.then(result => {
-					this.semDates = result.data;
-				})
-				.catch(this.$fhcAlert.handleSystemError);
-		},
 		translateTabulator() {
 			this.$p
 				.loadCategory(['global', 'person', 'lehre', 'ui', 'profilUpdate', 'admission', 'stv'])
@@ -667,7 +648,7 @@ export default {
 	// TODO(chris): filter component column chooser has no accessibilty features
 	template: `
 	<div class="stv-list h-100 pt-3">
-	test manu: currentSEM: {{semDates.start}} - {{semDates.ende}}
+	test manu: currentSEM: {{semesterDates.start}} - {{semesterDates.ende}}<hr>
 		<div
 			class="tabulator-container d-flex flex-column h-100"
 			:class="{'has-filter': filter.length}"