diff --git a/ReportImp/VkmHamm/Validation/ServiceRecordValidator.cs b/ReportImp/VkmHamm/Validation/ServiceRecordValidator.cs
new file mode 100644
index 000000000..60bbf320b
--- /dev/null
+++ b/ReportImp/VkmHamm/Validation/ServiceRecordValidator.cs
@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using BeWo.Data.Access;
+using BeWo.Data.Entities;
+using BeWo.Service.Plugins;
+using BS.Shared;
+using BS.Shared.DataContracts;
+
+namespace VkmHamm.Validation
+{
+	public class CustomServiceRecordValidator : ServiceRecordValidator
+	{
+	    public override bool CheckZukunft()
+	    {
+	        return false;
+	    }
+
+	    public override List<ServiceRecordValidationResultDC> ValidateServiceRecord(ServiceRecordDC newServiceRecord, SupportConceptStatisticsDC statistics,
+	        int maxDaysEditServiceRecordsAllowed, IList<long> employeeOids, IList<long> cb2scOids)
+	    {
+	        var list =  base.ValidateServiceRecord(newServiceRecord, statistics, maxDaysEditServiceRecordsAllowed, employeeOids, cb2scOids);
+            if (newServiceRecord.End.HasValue && newServiceRecord.End.Value > DateTime.Now.AddMinutes(10)) 
+            {
+                list.Add(new ServiceRecordValidationResultDC
+                {
+                    ResultType = ServiceRecordValidationResult.Custom,
+                    Message = "Das Ende des dokumentierten Termins darf nicht mehr als 10 Minuten in der Zukunft liegen."
+                });
+            }
+
+	        return list;
+        }
+	}
+}
\ No newline at end of file
diff --git a/ReportImp/VkmHamm/VkmHamm.csproj b/ReportImp/VkmHamm/VkmHamm.csproj
index aa54a4470..522d01d90 100644
--- a/ReportImp/VkmHamm/VkmHamm.csproj
+++ b/ReportImp/VkmHamm/VkmHamm.csproj
@@ -163,6 +163,7 @@
       <DependentUpon>Teamstundenkonto.cs</DependentUpon>
     </Compile>
     <Compile Include="Translation\TranslationDictionary.cs" />
+    <Compile Include="Validation\ServiceRecordValidator.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\Data\Data.csproj">