[BR-42]-Each Invoice line allowance (BG-27) shall have an Invoice line allowance reason (BT-139) or an Invoice line allowance reason code (BT-140).
BR-42pxs-taxdata:TaxData/pxs-taxdata:ReportedTransaction/pxs-taxdata:ReportedDocument/pxs-taxdata:DocumentLine/cac:AllowanceCharge[cbc:ChargeIndicator = false()]exists(cbc:AllowanceChargeReason) or exists(cbc:AllowanceChargeReasonCode)