[ibr-150-ae]-The Seller legal registration identifier (IBT-030) MUST be provided when the scheme identifier (IBT-034-1) is '0235'
ibr-150-ae
cac:AccountingSupplierParty/cac:Party
not(cac:Party/cbc:EndpointID/@schemeID = "0235" and not(cac:Party/cac:PartyLegalEntity/cbc:CompanyID))