Counterfoil rule note
Quoted from a public specification. This page is not a validator, and it is not tax, legal, or accounting advice.
Amount due for payment (BT-115) = Invoice total amount with VAT (BT-112) -Paid amount (BT-113) +Rounding amount (BT-114).
Source: https://docs.peppol.eu/poacc/billing/3.0/rules/ubl-tc434/BR-CO-16/
Peppol BIS Billing 3.0, May 2026 release, EN 16931 model bound to UBL
Severity note: fatal, from the Flag column of the Peppol BIS Billing 3.0 UBL rules index retrieved 2026-10-18.
The amount due for payment (BT-115) must equal the invoice total with VAT (BT-112) minus the paid amount (BT-113) plus the rounding amount (BT-114). The statement has no space in -Paid or +Rounding, and it ends with a period. The published test covers a missing paid amount and a missing rounding amount. Both the present branch and the absent branch call exists.
Set BT-115 to BT-112 minus BT-113 plus BT-114. Leave out a paid amount or a rounding amount only when that element is absent.
Illustration of the condition in the official statement. Not an example published by the source.
Fails the stated condition. BT-112 is 119, the paid amount is 19, there is no rounding amount, and BT-115 is 119.
Passes the stated condition. Those same amounts, and BT-115 is 100.
Copied from the source. Not reimplemented on this page.
cac:LegalMonetaryTotal
(exists(cbc:PrepaidAmount) and not(exists(cbc:PayableRoundingAmount)) and (xs:decimal(cbc:PayableAmount) = (round((xs:decimal(cbc:TaxInclusiveAmount) - xs:decimal(cbc:PrepaidAmount)) * 10 * 10) div 100))) or (not(exists(cbc:PrepaidAmount)) and not(exists(cbc:PayableRoundingAmount)) and xs:decimal(cbc:PayableAmount) = xs:decimal(cbc:TaxInclusiveAmount)) or (exists(cbc:PrepaidAmount) and exists(cbc:PayableRoundingAmount) and ((round((xs:decimal(cbc:PayableAmount) - xs:decimal(cbc:PayableRoundingAmount)) * 10 * 10) div 100) = (round((xs:decimal(cbc:TaxInclusiveAmount) - xs:decimal(cbc:PrepaidAmount)) * 10 * 10) div 100))) or (not(exists(cbc:PrepaidAmount)) and exists(cbc:PayableRoundingAmount) and ((round((xs:decimal(cbc:PayableAmount) - xs:decimal(cbc:PayableRoundingAmount)) * 10 * 10) div 100) = xs:decimal(cbc:TaxInclusiveAmount)))
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