Counterfoil rule note
Quoted from a public specification. This page is not a validator, and it is not tax, legal, or accounting advice.
An Invoice shall contain maximum one Payment Mandate (BG-19).
Source: https://docs.peppol.eu/poacc/billing/3.0/rules/ubl-tc434/UBL-SR-55/
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.
An invoice shall contain at most one payment mandate. The statement ends with a period and says shall. It is 61 characters. The flag is fatal. The context is an invoice or a credit note. The published test does not wrap the count in parentheses. It counts the payment mandate. The count comparison has a space before <= and a space after it.
Send at most one payment mandate.
Illustration of the condition in the official statement. Not an example published by the source.
Fails the stated condition. An invoice has two payment mandates.
Passes the stated condition. An invoice has one payment mandate, or none.
Copied from the source. Not reimplemented on this page.
/ubl:Invoice | /cn:CreditNote
count(cac:PaymentMeans/cac:PaymentMandate) <= 1
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