diff --git a/src/main/java/net/hostsharing/hsadminng/hs/office/relation/HsOfficeRelationController.java b/src/main/java/net/hostsharing/hsadminng/hs/office/relation/HsOfficeRelationController.java
index a7923128..e1f80148 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/office/relation/HsOfficeRelationController.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/office/relation/HsOfficeRelationController.java
@@ -70,6 +70,7 @@ public class HsOfficeRelationController implements HsOfficeRelationsApi {
 
         final var entityToSave = new HsOfficeRelationEntity();
         entityToSave.setType(HsOfficeRelationType.valueOf(body.getType()));
+        entityToSave.setMark(body.getMark());
         entityToSave.setAnchor(holderRepo.findByUuid(body.getAnchorUuid()).orElseThrow(
                 () -> new NoSuchElementException("cannot find anchorUuid " + body.getAnchorUuid())
         ));
diff --git a/src/main/resources/api-definition/hs-office/hs-office-relations-schemas.yaml b/src/main/resources/api-definition/hs-office/hs-office-relations-schemas.yaml
index b092cd0a..7b316b40 100644
--- a/src/main/resources/api-definition/hs-office/hs-office-relations-schemas.yaml
+++ b/src/main/resources/api-definition/hs-office/hs-office-relations-schemas.yaml
@@ -55,6 +55,7 @@ components:
                     nullable: true
                 mark:
                     type: string
+                    nullable: true
                 contactUuid:
                     type: string
                     format: uuid
@@ -62,4 +63,4 @@ components:
               - anchorUuid
               - holderUuid
               - type
-              - relContactUuid
+              - contactUuid
diff --git a/src/test/java/net/hostsharing/hsadminng/hs/office/relation/HsOfficeRelationControllerAcceptanceTest.java b/src/test/java/net/hostsharing/hsadminng/hs/office/relation/HsOfficeRelationControllerAcceptanceTest.java
index fd978e1d..c4654bd3 100644
--- a/src/test/java/net/hostsharing/hsadminng/hs/office/relation/HsOfficeRelationControllerAcceptanceTest.java
+++ b/src/test/java/net/hostsharing/hsadminng/hs/office/relation/HsOfficeRelationControllerAcceptanceTest.java
@@ -137,12 +137,14 @@ class HsOfficeRelationControllerAcceptanceTest extends ContextBasedTestWithClean
                         .body("""
                                {
                                    "type": "%s",
+                                   "mark": "%s",
                                    "anchorUuid": "%s",
                                    "holderUuid": "%s",
                                    "contactUuid": "%s"
                                  }
                             """.formatted(
-                                HsOfficeRelationTypeResource.DEBITOR,
+                                HsOfficeRelationTypeResource.SUBSCRIBER,
+                                "operations-discuss",
                                 givenAnchorPerson.getUuid(),
                                 givenHolderPerson.getUuid(),
                                 givenContact.getUuid()))
@@ -153,7 +155,8 @@ class HsOfficeRelationControllerAcceptanceTest extends ContextBasedTestWithClean
                         .statusCode(201)
                         .contentType(ContentType.JSON)
                         .body("uuid", isUuidValid())
-                        .body("type", is("DEBITOR"))
+                        .body("type", is("SUBSCRIBER"))
+                        .body("mark", is("operations-discuss"))
                         .body("anchor.tradeName", is("Third OHG"))
                         .body("holder.givenName", is("Paul"))
                         .body("contact.label", is("second contact"))
diff --git a/src/test/java/net/hostsharing/hsadminng/hs/office/relation/HsOfficeRelationRepositoryIntegrationTest.java b/src/test/java/net/hostsharing/hsadminng/hs/office/relation/HsOfficeRelationRepositoryIntegrationTest.java
index 545e7b03..5c10af88 100644
--- a/src/test/java/net/hostsharing/hsadminng/hs/office/relation/HsOfficeRelationRepositoryIntegrationTest.java
+++ b/src/test/java/net/hostsharing/hsadminng/hs/office/relation/HsOfficeRelationRepositoryIntegrationTest.java
@@ -72,7 +72,8 @@ class HsOfficeRelationRepositoryIntegrationTest extends ContextBasedTestWithClea
                 final var newRelation = HsOfficeRelationEntity.builder()
                         .anchor(givenAnchorPerson)
                         .holder(givenHolderPerson)
-                        .type(HsOfficeRelationType.REPRESENTATIVE)
+                        .type(HsOfficeRelationType.SUBSCRIBER)
+                        .mark("operations-announce")
                         .contact(givenContact)
                         .build();
                 return toCleanup(relationRepo.save(newRelation));
@@ -83,6 +84,9 @@ class HsOfficeRelationRepositoryIntegrationTest extends ContextBasedTestWithClea
             assertThat(result.returnedValue()).isNotNull().extracting(HsOfficeRelationEntity::getUuid).isNotNull();
             assertThatRelationIsPersisted(result.returnedValue());
             assertThat(relationRepo.count()).isEqualTo(count + 1);
+            final var stored = relationRepo.findByUuid(result.returnedValue().getUuid());
+            assertThat(stored).isNotEmpty().map(HsOfficeRelationEntity::toString).get()
+                    .isEqualTo("rel(anchor='NP Bessler, Anita', type='SUBSCRIBER', mark='operations-announce', holder='NP Bessler, Anita', contact='fourth contact')");
         }
 
         @Test