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Fatal

BR-FR-01_BT-1-1: Invoice or credit note number exceeds 35 characters

In short

Fatal: fails the selected checks.

BR-FR-01_BT-1-1 means the invoice number or credit note number (BT-1) in your French UBL file is longer than 35 characters. Shorten the value in cbc:ID to no more than 35 characters, then check the corrected file again.

On this page

What it means

The rule checks the length of the invoice number or credit note number (BT-1) in ubl:Invoice/cbc:ID or cn:CreditNote/cbc:ID. The limit is 35 characters. Letters, digits, spaces and symbols all count towards this limit.

Why it matters

French UBL rules set this length limit for invoice and credit note numbers. A longer number fails this check.

How to fix it

If the document has already been issued, check with your bookkeeper or accountant before changing its number. Shorten the invoice number or credit note number (BT-1) in your source document so that cbc:ID contains no more than 35 characters. Export the corrected UBL file and check it again.

Once the file is corrected, check it again for free: Check an e-invoice

The rule as published

L'identifiant de facture (cbc:ID) ne doit pas dépasser 35 caractères. Valeur actuelle : " … ". Veuillez vérifier que l'identifiant respecte cette limite.

Where this rule applies

Rule set Version
France CTC (UBL invoice) 1.4.0-04
France CTC (UBL credit note) 1.4.0-04
Rule text from phive-rules 4.6.4.

Check your file

Drop your e-invoice to see whether BR-FR-01_BT-1-1 still fails, and which other rules do.

Updated 6 November 2026