[aligned-ibr-005-aunz]-An invoice must contain the Buyer's NZBN (ibt-047) if Buyer country (ibt-055) is New Zealand
aligned-ibr-005-aunzcac:AccountingCustomerParty/cac:Party[$buyerCountry = 'NZ'](string-length(cac:PartyLegalEntity/cbc:CompanyID)>=1 and cac:PartyLegalEntity/cbc:CompanyID/@schemeID = '0088')