protected virtual void CopyEntryExitCustomsOfficeSelection(TransportRoute source, TransportRoute destination)
 {
     if (source.EntryExitCustomsOfficeSelection != null)
     {
         destination.SetEntryExitCustomsOfficeSelection(new EntryExitCustomsOfficeSelection(source.EntryExitCustomsOfficeSelection.Entry,
                                                                                            source.EntryExitCustomsOfficeSelection.Exit));
     }
 }