warningDEXRECHNUNG

`BR-DE-21`:Invalid XRechnung Specification Identifier

The Specification Identifier (BT-24 CustomizationID) must follow the XRechnung URN format: urn:cen.eu:en16931:2017#compliant#urn:xeinkauf.de:kosit:xrechnung_X.X

We can fix this automatically

AUTO-FIX

Auto-fix: Replace specification identifier with current XRechnung format. Detect version from context or use latest XRechnung specification.

No manual changes needed

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Why This Error Matters

Invoice rejected. German XRechnung requires specific specification identifier format.

How to Fix It

Check current value

Examine the CustomizationID element

Set valid URN

Use urn:cen.eu:en16931:2017#compliant#urn:xeinkauf.de:kosit:xrechnung_3.0

Technical Details

XPath: /Invoice/cbc:CustomizationID | URN pattern: urn:cen.eu:en16931:2017#compliant#urn:xeinkauf.de:kosit:xrechnung_\\d+\\.\\d+

Common Causes

Specification identifier not XRechnung format
BT-24 CustomizationID not matching XRechnung URN
German invoice requires specific specification ID
CustomizationID missing XRechnung version identifier
Specification ID using EN16931 instead of XRechnung

Frequently Asked Questions

XRechnung invoices must have a CustomizationID (BT-24) that follows the official URN format: urn:cen.eu:en16931:2017#compliant#urn:xeinkauf.de:kosit:xrechnung_X.X

Change the CustomizationID to the valid XRechnung URN, for example: urn:cen.eu:en16931:2017#compliant#urn:xeinkauf.de:kosit:xrechnung_3.0

Current valid versions include xrechnung_2.3, xrechnung_3.0, etc. Check the official XRechnung specification for the latest version.

Yes, Invoice Navigator can automatically correct the CustomizationID to the valid XRechnung URN format.

BR-DE-21:Invalid XRechnung Specification Identifier