Counterfoil rule note
Quoted from a public specification. This page is not a validator, and it is not tax, legal, or accounting advice.
Sum of Invoice line net amount (BT-106) = Σ Invoice line net amount (BT-131).
Source: https://docs.peppol.eu/poacc/billing/3.0/rules/ubl-tc434/BR-CO-10/
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 2026-10-17.
The sum of invoice line net amounts (BT-106) must equal the sum of the line net amounts (BT-131). The published test rounds that sum to two decimals before comparing.
Set BT-106 to the sum of every invoice line net amount (BT-131).
Illustration of the condition in the official statement. Not an example published by the source.
Fails the stated condition. The line net amounts are 80 and 20, and BT-106 is 80.
Passes the stated condition. The line net amounts are 80 and 20, and BT-106 is 100.
Copied from the source. Not reimplemented on this page.
cac:LegalMonetaryTotal
(xs:decimal(cbc:LineExtensionAmount) = xs:decimal(round(sum(//(cac:InvoiceLine|cac:CreditNoteLine)/xs:decimal(cbc:LineExtensionAmount)) * 10 * 10) div 100))
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