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Warning

UBL-CR-452: Payment terms must not carry an identifier

In short

Warning: worth checking.

UBL-CR-452 warns that your UBL invoice or credit note includes an identifier (cbc:ID) within the payment terms. Remove that identifier from the XML, keep any payment terms text and recheck the file.

On this page

What it means

This rule checks that cac:PaymentTerms contains no cbc:ID element. It does not check whether payment terms text (BT-20) or a due date (BT-9) is present.

Why it matters

EN 16931 does not use a payment terms identifier at this location in UBL.

How to fix it

Remove cbc:ID only from cac:PaymentTerms. Keep any payment terms text (BT-20) in cbc:Note. This warning does not require you to add a due date (BT-9). Save or re-export the XML and recheck it.

Once the file is corrected, check it again for free: Validate an invoice against EN 16931

Or fix the invoice in a form and download the corrected file, for 1 credit: Fix a rejected e-invoice

The rule as published

A UBL invoice should not include the PaymentTerms ID

Where this rule applies

Rule set Version
EN 16931 (UBL) 1.3.17
EN 16931 (UBL credit note) 1.3.17
XRechnung 3.0 (UBL) 3.0.2
XRechnung 3.0 (UBL credit note) 3.0.2
Peppol BIS Billing 3.0 (invoice) 2026.5
Peppol BIS Billing 3.0 (credit note) 2026.5
SI-UBL 2.0 / NLCIUS (invoice) 2.0.3.13
SI-UBL 2.0 / NLCIUS (credit note) 2.0.3.13
France CTC (UBL invoice) 1.4.0-04
France CTC (UBL credit note) 1.4.0-04
CIUS-RO UBL Invoice 1.0.9 1.0.9
CIUS-RO UBL Credit Note 1.0.9 1.0.9
Rule text from phive-rules 4.6.4.

Check your file

Drop your e-invoice to see whether UBL-CR-452 still fails, and which other rules do.

Updated 6 November 2026