Counterfoil rule note

BR-02

Quoted from a public specification. This page is not a validator, and it is not tax, legal, or accounting advice.

Country

EU

Syntax

UBL

Severity

fatal

Last verified

2026-10-18

Official statement

An Invoice shall have an Invoice number (BT-1).

Source: https://docs.peppol.eu/poacc/billing/3.0/rules/ubl-tc434/BR-02/

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.

Plain-language reading

An invoice must have an invoice number (BT-1). The published test checks that cbc:ID is not blank. The message says "shall have". It does not name a VAT category.

What to change

Fill cbc:ID with a non-empty invoice number (BT-1).

Illustration

Illustration of the condition in the official statement. Not an example published by the source.

Fails the stated condition. The invoice cbc:ID is missing or blank.

Passes the stated condition. The invoice cbc:ID contains a non-empty number.

Published context and test

Copied from the source. Not reimplemented on this page.

/ubl:Invoice | /cn:CreditNote

normalize-space(cbc:ID) != ''

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