[UBL-CR-181]-A UBL invoice should not include the AccountingSupplierParty Party PartyLegalEntity SoleProprietorshipIndicator
UBL-CR-181
/ubl:Invoice | /cn:CreditNote
not(cac:AccountingSupplierParty/cac:Party/cac:PartyLegalEntity/cbc:SoleProprietorshipIndicator)