Counterfoil rule note
Quoted from a public specification. This page is not a validator, and it is not tax, legal, or accounting advice.
A UBL invoice should not include the UBLVersionID or it should be 2.1
Source: https://docs.peppol.eu/poacc/billing/3.0/rules/ubl-tc434/UBL-CR-002/
Peppol BIS Billing 3.0, May 2026 release, EN 16931 model bound to UBL
Severity note: warning, from the Flag column of the Peppol BIS Billing 3.0 UBL rules index retrieved 2026-10-18.
A UBL invoice should omit UBLVersionID or set it to 2.1. The statement says "should not include the UBLVersionID or it should be 2.1". It has no period and it does not say shall. The flag is warning. The context is the same string as BR-CO-18. The published test is not(cbc:UBLVersionID) or cbc:UBLVersionID = '2.1'. The comparison has spaces around =. The quotes are straight. It does not call exists.
Omit UBLVersionID, or set it to 2.1.
Illustration of the condition in the official statement. Not an example published by the source.
Fails the stated condition. UBLVersionID is present and its value is not 2.1.
Passes the stated condition. UBLVersionID is absent, or its value is 2.1.
Copied from the source. Not reimplemented on this page.
/ubl:Invoice | /cn:CreditNote
not(cbc:UBLVersionID) or cbc:UBLVersionID = '2.1'
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