Message

Party SHOULD NOT contain any elements but EndpointID, PartyIdentification, PartyName

Context
ubl:EnquiryResponse/cac:RequestorParty
Test
count(./*)-count(./cac:PartyIdentification)-count(./cbc:EndpointID)-count(./cac:PartyName)= 0
Usage
/ t010:EnquiryResponse / cbc:IssueTime