[ibr-04-my]-An Invoice shall have the Supplier’s TIN (ibt-032).
ibr-04-my/ubl:Invoice | /cn:CreditNoteexists(cac:AccountingSupplierParty/cac:Party/cac:PartyTaxScheme[cac:TaxScheme/cbc:ID != 'VAT']/cbc:CompanyID) or exists(cac:AccountingSupplierParty/cac:Party/cac:PartyIdentification/cbc:ID[not(@schemeID)])