BR-DE-21: what it means and how to fix it
The specification identifier should be the XRechnung identifier.
| Rule | BR-DE-21 |
|---|---|
| Standard | XRechnung 3.0 (the German CIUS of EN 16931, published by KoSIT) |
| Severity | Warning |
| Concerns | BT-24: Specification identifier |
How to fix it
Set it to urn:cen.eu:en16931:2017#compliant#urn:xeinkauf.de:kosit:xrechnung_3.0.
Where the field is in the XML
| Term | CII (XRechnung-CII, ZUGFeRD, Factur-X) | UBL (XRechnung-UBL, Peppol) |
|---|---|---|
| BT-24 Specification identifier | rsm:ExchangedDocumentContext/ram:GuidelineSpecifiedDocumentContextParameter/ram:ID | cbc:CustomizationID |
From your code
curl -H "Authorization: Bearer $API_KEY" -H "Content-Type: application/xml" \
--data-binary @invoice.xml "https://agent-data-tools.revmesh2074.workers.dev/einvoice/validate"The answer lists every broken rule with its number, the field, a message with the figures from your file and the fix. E-invoice API: validate, convert to JSON, and create XRechnung or ZUGFeRD XML from JSON.
Questions
What does BR-DE-21 mean?
The specification identifier should be the XRechnung identifier. It is a rule of XRechnung 3.0 (the German CIUS of EN 16931, published by KoSIT).
How do I fix BR-DE-21?
Set it to urn:cen.eu:en16931:2017#compliant#urn:xeinkauf.de:kosit:xrechnung_3.0.
Is BR-DE-21 an error or a warning?
A warning: the invoice is still conformant, but the value should be corrected.
Does BR-DE-21 apply to ZUGFeRD and Factur-X too?
Only when the file declares the XRechnung specification identifier (the ZUGFeRD profile "XRECHNUNG" does). Files in the plain EN 16931 profile are checked against the European rules, not the German additions.
Related rules
- BR-01: An invoice must have a specification identifier.
Rule numbers are those of XRechnung 3.0 (KoSIT); the explanation is ours. Not tax or legal advice.