Message

PostalAddress SHOULD NOT contain any elements but StreetName, AdditionalStreetName, CityName, PostalZone, CountrySubentity, Country

Context
ubl:Tender/cac:TendererParty/cac:PostalAddress
Test
count(./*)-count(./cbc:StreetName)-count(./cbc:AdditionalStreetName)-count(./cbc:CityName)-count(./cbc:PostalZone)-count(./cbc:CountrySubentity)-count(./cac:Country)=0