[aligned-ibrp-sr-13-aunz]-Seller tax registration (ibt-032) MUST occur maximum once
aligned-ibrp-sr-13-aunz
/ubl:Invoice | /cn:CreditNote
(count(cac:AccountingSupplierParty/cac:Party/cac:PartyTaxScheme[cac:TaxScheme/upper-case(cbc:ID)!='GST']/cbc:CompanyID) <= 1)