[UBL-CR-644]-A UBL invoice should not include the InvoiceLine Item Price PricingExchangeRate
UBL-CR-644
pxs-taxdata:TaxData/pxs-taxdata:ReportedTransaction/pxs-taxdata:ReportedDocument
not(pxs-taxdata:DocumentLine/cac:Price/cac:PricingExchangeRate)