[UBL-CR-478]-A UBL invoice should not include the AllowanceCharge TaxCategory BaseUnitMeasure
UBL-CR-478
pxs-taxdata:TaxData/pxs-taxdata:ReportedTransaction/pxs-taxdata:ReportedDocument
not(cac:AllowanceCharge/cac:TaxCategory/cbc:BaseUnitMeasure)