diff --git a/Data/Access/GenericDAO.cs b/Data/Access/GenericDAO.cs
index 49d900a1f..cbb7b456e 100644
--- a/Data/Access/GenericDAO.cs
+++ b/Data/Access/GenericDAO.cs
@@ -266,5 +266,10 @@ namespace BeWo.Data.Access
             return obj;
         }
         
+        public virtual int GetRowCount<T>() where T : BeWoEntityBase
+        {
+            return Session.QueryOver<T>()
+                        .RowCount();
+		}
 	}
 }
\ No newline at end of file
diff --git a/Service/DCEntityMapper/MandatorDC_Mandator.cs b/Service/DCEntityMapper/MandatorDC_Mandator.cs
index 9929c3a4b..b8a8fd4f3 100644
--- a/Service/DCEntityMapper/MandatorDC_Mandator.cs
+++ b/Service/DCEntityMapper/MandatorDC_Mandator.cs
@@ -1,6 +1,8 @@
+using BeWo.Data.Access;
 using BeWo.Data.Entities;
 
 using BS.Shared.DataContracts;
+using System;
 
 namespace BeWo.Service.DCEntityMapper
 {
@@ -30,6 +32,7 @@ namespace BeWo.Service.DCEntityMapper
 #endif
             pDataContract.Apikey = pEntity.Apikey;
             pDataContract.IKLeistungserbringer = pEntity.IKLeistungserbringer;
+            //pDataContract.CanEditIKLeistungserbringer = GetCanEditIKLeistungserbringer();
 
             return pDataContract;
         }
@@ -65,5 +68,21 @@ namespace BeWo.Service.DCEntityMapper
 
             return pDC.MandatorOid == pEntity.Oid;
         }
+
+        private bool GetCanEditIKLeistungserbringer()
+		{
+			try
+			{
+                var row_count = DAOFactory.GenericDAO.GetRowCount<GkvTransferProtokoll>();
+
+                return row_count == 0;
+			}
+			catch (Exception)
+			{
+
+			}
+
+            return true;
+		}
     }
 }
\ No newline at end of file
diff --git a/Shared/DataContracts/MandatorDC.cs b/Shared/DataContracts/MandatorDC.cs
index 02b09bd88..afd7c9c69 100644
--- a/Shared/DataContracts/MandatorDC.cs
+++ b/Shared/DataContracts/MandatorDC.cs
@@ -58,5 +58,8 @@ namespace BS.Shared.DataContracts
 
         [DataMember]
         public string IKLeistungserbringer { get; set; }
+
+        [DataMember]
+        public bool CanEditIKLeistungserbringer { get; set; }
     }
 }
\ No newline at end of file