[UBL-CR-523]-A UBL invoice should not include the InvoiceLine InvoicePeriod DescriptionCode
UBL-CR-523pxs-taxdata:TaxData/pxs-taxdata:ReportedTransaction/pxs-taxdata:ReportedDocumentnot(pxs-taxdata:DocumentLine/cac:InvoicePeriod/cbc:DescriptionCode)