[BR-11]-The Buyer postal address shall contain a Buyer country code (BT-55).
BR-11pxs-taxdata:TaxData/pxs-taxdata:ReportedTransaction/pxs-taxdata:ReportedDocument/cac:AccountingCustomerParty/cac:Party/cac:PostalAddressnormalize-space(cac:Country/cbc:IdentificationCode) != ''