BR-02
An Invoice shall have an Invoice number (BT-1).
- Severity
- Rejects the invoice
- Applies to
- CII, UBL
- Family
- BR
- BT-1
Why it fires
An invoice number is what both parties use to reference the document later, in payment remittance and in audit. The standard makes it unconditionally mandatory.
How to fix
Set the invoice number. In CII it is ExchangedDocument/ID; in UBL it is cbc:ID at the document root.
About the BR family
Core invoice rules. These govern the fields every EN 16931 invoice must carry, regardless of VAT treatment or country.
Related rules
Others in the BR family:
Check your own invoice
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Open the validatorRule text comes from the EN 16931 validation artefacts published by CEN/TC 434 and the European Commission, used unmodified under the European Union Public Licence v1.2. The artefacts are available from the upstream repository.
Factur-X, ZUGFeRD, XRechnung, and Peppol are trade marks of FNFE-MPE, FeRD, KoSIT, and OpenPeppol AISBL respectively, and are used here only to identify the invoice formats this tool reads. PDFPipe is not affiliated with, endorsed by, or certified by any of them, nor by CEN or the European Commission.