diff --git a/collaboration-manager-server/src/main/java/de/ozgcloud/collaboration/CollaborationRequestMapper.java b/collaboration-manager-server/src/main/java/de/ozgcloud/collaboration/CollaborationRequestMapper.java
index 79781c40023e8634d6454ddb0e55ef229b0b8d96..219e2c3ed0ed4b6834afbfa56e63e21370b38214 100644
--- a/collaboration-manager-server/src/main/java/de/ozgcloud/collaboration/CollaborationRequestMapper.java
+++ b/collaboration-manager-server/src/main/java/de/ozgcloud/collaboration/CollaborationRequestMapper.java
@@ -69,11 +69,17 @@ public abstract class CollaborationRequestMapper {
 	@Mapping(target = "createdBy", ignore = true)
 	@Mapping(target = "commandId", source = "id")
 	@Mapping(target = "titel", expression = "java(getStringProperty(CollaborationRequest.PROPERTY_TITEL, command.getBodyObject()))")
-	@Mapping(target = "zustaendigeStelle", expression = "java(getZustaendigeStelle(command.getBodyObject()))")
+	@Mapping(target = "zustaendigeStelle", expression = "java(getZustaendigeStelleFromCommandBody(command.getBodyObject()))")
 	@Mapping(target = "beschreibung", expression = "java(getStringProperty(CollaborationRequest.PROPERTY_BESCHREIBUNG, command.getBodyObject()))")
 	@Mapping(target = "collaborationLevel", expression = "java(getIntProperty(CollaborationRequest.PROPERTY_COLLABORATION_LEVEL, command.getBodyObject()))")
 	public abstract CollaborationRequest toCollaborationRequest(Command command);
 
+	Fachstelle getZustaendigeStelleFromCommandBody(Map<String, Object> propertyMap) {
+		var technicalId = getStringProperty(CollaborationRequest.PROPERTY_ZUSTAENDIGE_STELLE, propertyMap);
+		var collaborationLevel = getIntProperty(CollaborationRequest.PROPERTY_COLLABORATION_LEVEL, propertyMap);
+		return fachstelleService.getFachstelle(technicalId, collaborationLevel);
+	}
+
 	@Mapping(target = "id", ignore = true)
 	@Mapping(target = "status", ignore = true)
 	@Mapping(target = "relationVersion", ignore = true)
@@ -140,23 +146,25 @@ public abstract class CollaborationRequestMapper {
 	@Mapping(target = "createdBy", expression = "java(getStringProperty(CollaborationRequest.PROPERTY_CREATED_BY, item.getItem()))")
 	@Mapping(target = "beschreibung", expression = "java(getStringProperty(CollaborationRequest.PROPERTY_BESCHREIBUNG, item.getItem()))")
 	@Mapping(target = "titel", expression = "java(getStringProperty(CollaborationRequest.PROPERTY_TITEL, item.getItem()))")
-	@Mapping(target = "zustaendigeStelle", expression = "java(getZustaendigeStelle(item.getItem()))")
+	@Mapping(target = "zustaendigeStelle", expression = "java(getZustaendigeStelleFromItemMap(item.getItem()))")
 	public abstract CollaborationRequest mapFromVorgangAttachedItem(VorgangAttachedItem item);
 
 	CollaborationRequestId toCollaborationRequestId(String id) {
 		return CollaborationRequestId.from(id);
 	}
 
-	int getIntProperty(String key, Map<String, Object> propertyMap) {
-		return MapUtils.getIntValue(propertyMap, key);
-	}
-
-	Fachstelle getZustaendigeStelle(Map<String, Object> propertyMap) {
-		var technicalId = getStringProperty(CollaborationRequest.PROPERTY_ZUSTAENDIGE_STELLE, propertyMap);
+	@SuppressWarnings("unchecked")
+	Fachstelle getZustaendigeStelleFromItemMap(Map<String, Object> propertyMap) {
+		var fachstelle = (Map<String, Object>) propertyMap.get(CollaborationRequest.PROPERTY_ZUSTAENDIGE_STELLE);
+		var technicalId = getStringProperty(Fachstelle.PROPERTY_TECHNICAL_ID, fachstelle);
 		var collaborationLevel = getIntProperty(CollaborationRequest.PROPERTY_COLLABORATION_LEVEL, propertyMap);
 		return fachstelleService.getFachstelle(technicalId, collaborationLevel);
 	}
 
+	int getIntProperty(String key, Map<String, Object> propertyMap) {
+		return MapUtils.getIntValue(propertyMap, key);
+	}
+
 	String getStringProperty(String key, Map<String, Object> propertyMap) {
 		return MapUtils.getString(propertyMap, key);
 	}
diff --git a/collaboration-manager-server/src/test/java/de/ozgcloud/collaboration/CollaborationRequestMapperTest.java b/collaboration-manager-server/src/test/java/de/ozgcloud/collaboration/CollaborationRequestMapperTest.java
index 53bd55ae81e711c88f18ad4cea81df129b2625ea..d233f030aaf11304f22c9f55d0390f0c0673ab3d 100644
--- a/collaboration-manager-server/src/test/java/de/ozgcloud/collaboration/CollaborationRequestMapperTest.java
+++ b/collaboration-manager-server/src/test/java/de/ozgcloud/collaboration/CollaborationRequestMapperTest.java
@@ -46,6 +46,7 @@ import de.ozgcloud.apilib.vorgang.OzgCloudVorgangId;
 import de.ozgcloud.collaboration.common.callcontext.CollaborationManagerCallContextGrpcClientInterceptor;
 import de.ozgcloud.collaboration.common.vorgang.attached_item.VorgangAttachedItem;
 import de.ozgcloud.collaboration.common.vorgang.attached_item.VorgangAttachedItemTestFactory;
+import de.ozgcloud.collaboration.fachstelle.Fachstelle;
 import de.ozgcloud.collaboration.fachstelle.FachstelleMapper;
 import de.ozgcloud.collaboration.fachstelle.FachstelleService;
 import de.ozgcloud.collaboration.fachstelle.FachstelleTestFactory;
@@ -86,12 +87,12 @@ class CollaborationRequestMapperTest {
 		void shouldCallGetZustaendigeStelle() {
 			mapper.toCollaborationRequest(COMMAND);
 
-			verify(mapper).getZustaendigeStelle(BODY_OBJECT);
+			verify(mapper).getZustaendigeStelleFromCommandBody(BODY_OBJECT);
 		}
 
 		@Test
 		void shouldMapCommand() {
-			doReturn(CollaborationRequestTestFactory.ZUSTAENDIGE_STELLE).when(mapper).getZustaendigeStelle(any());
+			doReturn(CollaborationRequestTestFactory.ZUSTAENDIGE_STELLE).when(mapper).getZustaendigeStelleFromCommandBody(any());
 
 			var result = mapper.toCollaborationRequest(COMMAND);
 
@@ -102,7 +103,7 @@ class CollaborationRequestMapperTest {
 	}
 
 	@Nested
-	class TestGetZustaendigeStelle {
+	class TestGgetZustaendigeStelleFromCommandBody {
 
 		private static final Map<String, Object> PROPERTY_MAP = Map.of(
 				CollaborationRequest.PROPERTY_ZUSTAENDIGE_STELLE, FachstelleTestFactory.TECHNICAL_ID,
@@ -110,7 +111,7 @@ class CollaborationRequestMapperTest {
 
 		@Test
 		void shouldCallFachstelleService() {
-			mapper.getZustaendigeStelle(PROPERTY_MAP);
+			mapper.getZustaendigeStelleFromCommandBody(PROPERTY_MAP);
 
 			verify(fachstelleService).getFachstelle(FachstelleTestFactory.TECHNICAL_ID, CollaborationRequestTestFactory.COLLABORATION_LEVEL);
 		}
@@ -120,7 +121,7 @@ class CollaborationRequestMapperTest {
 			var expectedFachstelle = FachstelleTestFactory.create();
 			when(fachstelleService.getFachstelle(any(), anyInt())).thenReturn(expectedFachstelle);
 
-			var actualFachstelle = mapper.getZustaendigeStelle(PROPERTY_MAP);
+			var actualFachstelle = mapper.getZustaendigeStelleFromCommandBody(PROPERTY_MAP);
 
 			assertThat(actualFachstelle).isSameAs(expectedFachstelle);
 		}
@@ -325,15 +326,15 @@ class CollaborationRequestMapperTest {
 				.build();
 
 		@Test
-		void shouldCallGetZustaendigeStelle() {
+		void shouldCallGetZustaendigeStelleFromItemMap() {
 			mapper.mapFromVorgangAttachedItem(VORGANG_ATTACHED_ITEM);
 
-			verify(mapper).getZustaendigeStelle(COLLABORATION_REQUEST_MAP);
+			verify(mapper).getZustaendigeStelleFromItemMap(COLLABORATION_REQUEST_MAP);
 		}
 
 		@Test
 		void shouldMap() {
-			doReturn(FachstelleTestFactory.create()).when(mapper).getZustaendigeStelle(any());
+			doReturn(FachstelleTestFactory.create()).when(mapper).getZustaendigeStelleFromItemMap(any());
 
 			var item = mapper.mapFromVorgangAttachedItem(VORGANG_ATTACHED_ITEM);
 
@@ -341,6 +342,29 @@ class CollaborationRequestMapperTest {
 		}
 	}
 
+	@Nested
+	class TestGetZustaendigeStelleFromItemMap {
+
+		private final Map<String, Object> itemMap = CollaborationRequestTestFactory.createAsMap();
+
+		@Test
+		void shouldGetFachstelle() {
+			mapper.getZustaendigeStelleFromItemMap(itemMap);
+
+			verify(fachstelleService).getFachstelle(FachstelleTestFactory.TECHNICAL_ID, CollaborationRequestTestFactory.COLLABORATION_LEVEL);
+		}
+
+		@Test
+		void shouldReturnFachstelle() {
+			Fachstelle expectedFachstelle = FachstelleTestFactory.create();
+			when(fachstelleService.getFachstelle(anyString(), anyInt())).thenReturn(expectedFachstelle);
+
+			var actualFachstelle = mapper.getZustaendigeStelleFromItemMap(itemMap);
+
+			assertThat(actualFachstelle).isSameAs(expectedFachstelle);
+		}
+	}
+
 	@Nested
 	class TestToGrpcCollaborationRequest {