[UBL-CR-590]-A UBL invoice should not include the InvoiceLine Item ItemSpecificationDocumentReference
UBL-CR-590pxs-taxdata:TaxData/pxs-taxdata:ReportedTransaction/pxs-taxdata:ReportedDocumentnot(pxs-taxdata:DocumentLine/cac:Item/cac:ItemSpecificationDocumentReference)