This timestamp actually becomes transformed to the ets or its so it exists twice.
==== '''ExportTimeStamp (ETS) ===='''
Saves the UTS of a property of an Ubikle so that a third party system knows when the value has been changed.
If UBIK cannot find the property set the InterfaceTimeStamp to now.
==== '''ImportTimeStamp (ITS) ===='''
Saves a given timestamp for a property provided by the third-party system.