diff --git a/Service/ServiceImplementations/OperationsServiceImp.cs b/Service/ServiceImplementations/OperationsServiceImp.cs
index b8d75ec7b..40a7e5a0c 100644
--- a/Service/ServiceImplementations/OperationsServiceImp.cs
+++ b/Service/ServiceImplementations/OperationsServiceImp.cs
@@ -25,6 +25,7 @@ using BS.Shared.DataContracts.Reports;
 using BS.Shared.Extensions;
 using BS.Shared.Services;
 using Dakota.Logic;
+using DevExpress.DataProcessing;
 using Newtonsoft.Json;
 using RestSharp;
 using System;
@@ -9279,7 +9280,40 @@ namespace BeWo.Service.ServiceImplementations
                     dict.Remove(oid);
                 }
             }
-            return dict.Values.ToList();
+
+
+
+
+            //Zuletzt verwendet am zufügen:
+            //Prüfe, ob es einen ServiceRecord gibt, der innerhalb der Frist entstanden ist
+
+            var oidString = String.Join(",", dict.Keys);
+
+            sql = String.Format(@"select sr.CustomerOid, max(sr.EndDate)
+			            from servicerecord sr 
+			            WHERE 
+			            sr.CustomerOid in ({0})
+                        group by sr.CustomerOid", oidString);
+
+
+            sqlresult = DAOFactory.SearchDAO.GetSqlResult(sql);
+            oidlist = new List<long>();
+            foreach (object[] row in sqlresult)
+            {
+                long oid = (long)row[0];
+                var datum = (DateTime?)row[1];
+
+                if (dict.ContainsKey(oid))
+                {
+                    dict[oid].LastUsedOn = datum;
+                }
+            }
+
+
+
+            newList = dict.Values.ToList();
+
+            return newList;
         }
 
         private bool CheckIfInactive(int jahreUngenutzt, InactivePersonDC item)