[aligned-ibr-004-aunz]-An invoice must contain the Buyer's ABN (ibt-047) if Buyer country (ibt-055) is Australia
aligned-ibr-004-aunz
cac:AccountingCustomerParty/cac:Party[$buyerCountry = 'AU']
(string-length(cac:PartyLegalEntity/cbc:CompanyID)>=1 and cac:PartyLegalEntity/cbc:CompanyID/@schemeID = '0151')