[BR-CO-05-SG]-Document level allowance reason code (IBT-98) and Document level allowance reason (IBT-97) shall indicate the same type of allowance.
BR-CO-05-SG/ubl:Invoice/cac:AllowanceCharge[cbc:ChargeIndicator = false()] | /cn:CreditNote/cac:AllowanceCharge[cbc:ChargeIndicator = false()]true()