XRechnung 2.3.0 · UBL
Rules: XRechnung Schematron rules by Koordinierungsstelle für IT-Standards (KoSIT) · Apache-2.0
[BR-DEX-09] Amount due for payment (BT-115) = Invoice total amount with VAT (BT-112) - Paid amount (BT-113) + Rounding amount (BT-114) - Σ Third party payment amount (BT-DEX-002).
(round((xs:decimal(cbc:PayableAmount) - $payableroundingamount) * 10 * 10) div 100) = (round((xs:decimal(cbc:TaxInclusiveAmount) - $prepaidamount + $thirdpartyprepaidamount) * 10 * 10) div 100)