*On Proxylevel: ets (ExportTimeStamp), its (ImportTimeStamp)
*On ProxyPropertylevel: ets (ExportTimeStamp), its (ImportTimeStamp)
{{Attention|Be aware, that SPECIAL CASES WHERE THERE NEEDS TO BE A VALUE CALCULATED FOR A TS BECAUSE THE MOST INTUITITIT IS NOT AVAILABLE}}
=== UTS ===
Either this value is
1. # the TimeStamp of the LastChange from the PropertyValueChangeLog if the PropertyValueChangeLog is available or2. # the property’s UBIKAttribute.UpdateTimeStamp
=== CTS ===