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 ea4049e02aab1138f316d5f2159c5008e3701886..79781c40023e8634d6454ddb0e55ef229b0b8d96 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
@@ -121,6 +121,8 @@ public abstract class CollaborationRequestMapper {
 	@Mapping(target = "allFields", ignore = true)
 	public abstract GrpcCollaborationRequest toGrpcCollaborationRequest(CollaborationRequest request);
 
+	@Mapping(target = "organisationsEinheitId", source = "zustaendigeStelle.subjectId")
+	@Mapping(target = "organisationsEinheitIdBytes", ignore = true)
 	@Mapping(target = "mergeFrom", ignore = true)
 	@Mapping(target = "clearField", ignore = true)
 	@Mapping(target = "clearOneof", ignore = true)
@@ -128,7 +130,6 @@ public abstract class CollaborationRequestMapper {
 	@Mapping(target = "unknownFields", ignore = true)
 	@Mapping(target = "vorgangIdBytes", ignore = true)
 	@Mapping(target = "allFields", ignore = true)
-	@Mapping(target = "mergeZustaendigeStelle", ignore = true)
 	public abstract GrpcCreateCollaborationRequestData toGrpcCreateCollaborationRequestData(CollaborationRequest request);
 
 	@Mapping(target = "id", expression = "java(toCollaborationRequestId(getStringProperty(CollaborationRequest.PROPERTY_ID, item.getItem())))")
diff --git a/collaboration-manager-server/src/main/java/de/ozgcloud/collaboration/CollaborationService.java b/collaboration-manager-server/src/main/java/de/ozgcloud/collaboration/CollaborationService.java
index 4a2ff75986e7c8e9bcfb497999b94a2ee56a62ba..7e1aeb059f55ed810e66d716db1066cf43f1448b 100644
--- a/collaboration-manager-server/src/main/java/de/ozgcloud/collaboration/CollaborationService.java
+++ b/collaboration-manager-server/src/main/java/de/ozgcloud/collaboration/CollaborationService.java
@@ -89,10 +89,6 @@ public class CollaborationService {
 		commandService.addSubCommands(buildCreateCollaborationRequestRequest(enrichedRequest));
 	}
 
-	String getUserId() {
-		return userProfileService.getUserProfile().getId().toString();
-	}
-
 	OzgCloudCreateSubCommandsRequest buildCreateCollaborationRequestRequest(CollaborationRequest request) {
 		return OzgCloudCreateSubCommandsRequest.builder()
 				.parentId(request.getCommandId())
@@ -116,6 +112,10 @@ public class CollaborationService {
 		return request.toBuilder().collaborationVorgangId(collaborationVorgangId).createdBy(getUserId()).build();
 	}
 
+	String getUserId() {
+		return userProfileService.getUserProfile().getId().toString();
+	}
+
 	OzgCloudCreateSubCommandsRequest buildCreateSubCommandsRequest(CollaborationRequest collaborationRequest, List<OzgCloudCommand> subCommands) {
 		return OzgCloudCreateSubCommandsRequest.builder()
 				.parentId(collaborationRequest.getCommandId())
diff --git a/collaboration-manager-server/src/test/java/de/ozgcloud/collaboration/request/GrpcCreateCollaborationRequestDataTestFactory.java b/collaboration-manager-server/src/test/java/de/ozgcloud/collaboration/request/GrpcCreateCollaborationRequestDataTestFactory.java
index 5ac03d1323bfabd27b88f5ef73de0a8ef30808c5..1f00e14333210939ed4b050bd3045e178984dfca 100644
--- a/collaboration-manager-server/src/test/java/de/ozgcloud/collaboration/request/GrpcCreateCollaborationRequestDataTestFactory.java
+++ b/collaboration-manager-server/src/test/java/de/ozgcloud/collaboration/request/GrpcCreateCollaborationRequestDataTestFactory.java
@@ -4,17 +4,9 @@ import de.ozgcloud.collaboration.CollaborationRequestTestFactory;
 import de.ozgcloud.collaboration.fachstelle.FachstelleTestFactory;
 import de.ozgcloud.command.CommandTestFactory;
 import de.ozgcloud.vorgang.vorgang.GrpcCreateCollaborationRequestData;
-import de.ozgcloud.vorgang.vorgang.GrpcFachstelle;
-import de.ozgcloud.vorgang.vorgang.GrpcFachstelleType;
 
 public class GrpcCreateCollaborationRequestDataTestFactory {
 
-	public static final GrpcFachstelle FACHSTELLE = GrpcFachstelle.newBuilder()
-			.setSubjectId(FachstelleTestFactory.SUBJECT_ID)
-			.setTechnicalId(FachstelleTestFactory.TECHNICAL_ID)
-			.setType(GrpcFachstelleType.valueOf(FachstelleTestFactory.TYPE.name()))
-			.build();
-
 	public static GrpcCreateCollaborationRequestData create() {
 		return createBuilder().build();
 	}
@@ -23,6 +15,6 @@ public class GrpcCreateCollaborationRequestDataTestFactory {
 		return GrpcCreateCollaborationRequestData.newBuilder()
 				.setCollaborationLevel(CollaborationRequestTestFactory.COLLABORATION_LEVEL)
 				.setVorgangId(CommandTestFactory.VORGANG_ID)
-				.setZustaendigeStelle(FACHSTELLE);
+				.setOrganisationsEinheitId(FachstelleTestFactory.SUBJECT_ID);
 	}
 }
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