diff --git a/src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemEntity.java b/src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemEntity.java
index 04d74012..3527d9d1 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemEntity.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/booking/item/HsBookingItemEntity.java
@@ -117,7 +117,11 @@ public class HsBookingItemEntity implements Stringifyable, RbacObject {
 
     public static RbacView rbac() {
         return rbacViewFor("bookingItem", HsBookingItemEntity.class)
-                .withIdentityView(SQL.projection("caption")) // FIXME: use memberNumber:caption
+                .withIdentityView(SQL.query("""
+                    SELECT i.uuid as uuid, d.idName || ':' || i.caption as idName 
+                        FROM hs_booking_item i
+                        JOIN hs_office_debitor_iv d ON d.uuid = i.debitorUuid
+                    """))
                 .withRestrictedViewOrderBy(SQL.expression("validity"))
                 .withUpdatableColumns("version", "validity", "resources")
 
diff --git a/src/main/resources/db/changelog/6-hs-booking/601-booking-item/6013-hs-booking-item-rbac.sql b/src/main/resources/db/changelog/6-hs-booking/601-booking-item/6013-hs-booking-item-rbac.sql
index aa138789..590fef50 100644
--- a/src/main/resources/db/changelog/6-hs-booking/601-booking-item/6013-hs-booking-item-rbac.sql
+++ b/src/main/resources/db/changelog/6-hs-booking/601-booking-item/6013-hs-booking-item-rbac.sql
@@ -107,14 +107,14 @@ do language plpgsql $$
                 WHERE type in ('DEBITOR') -- TODO.rbac: currently manually patched, needs to be generated
             LOOP
                 call grantPermissionToRole(
-                createPermission(row.uuid, 'INSERT', 'hs_booking_item'),
-                hsOfficeRelationADMIN(row));
+                    createPermission(row.uuid, 'INSERT', 'hs_booking_item'),
+                    hsOfficeRelationADMIN(row));
             END LOOP;
     END;
 $$;
 
 /**
-    Adds hs_booking_item INSERT permission to specified roleNSERT permission to specified role of new hs_office_relation rows.
+    Adds hs_booking_item INSERT permission to specified role of new hs_office_relation rows.
 */
 create or replace function hs_booking_item_hs_office_relation_insert_tf()
     returns trigger
@@ -175,10 +175,12 @@ create trigger hs_booking_item_insert_permission_check_tg
 --changeset hs-booking-item-rbac-IDENTITY-VIEW:1 endDelimiter:--//
 -- ----------------------------------------------------------------------------
 
-call generateRbacIdentityViewFromProjection('hs_booking_item',
-    $idName$
-        caption
-    $idName$);
+    call generateRbacIdentityViewFromQuery('hs_booking_item',
+        $idName$
+            SELECT i.uuid as uuid, d.idName || ':' || i.caption as idName
+            FROM hs_booking_item i
+            JOIN hs_office_debitor_iv d ON d.uuid = i.debitorUuid
+        $idName$);
 --//
 
 -- ============================================================================
@@ -186,7 +188,7 @@ call generateRbacIdentityViewFromProjection('hs_booking_item',
 -- ----------------------------------------------------------------------------
 call generateRbacRestrictedView('hs_booking_item',
     $orderBy$
-        caption
+        validity
     $orderBy$,
     $updates$
         version = new.version,