[UBL-CR-558]-A UBL invoice should not include the InvoiceLine AllowanceCharge TaxCategory
UBL-CR-558
pxs-taxdata:TaxData/pxs-taxdata:ReportedTransaction/pxs-taxdata:ReportedDocument
not(pxs-taxdata:DocumentLine/cac:AllowanceCharge/cac:TaxCategory)