Error Guide

🇩🇪 BR-DE-21: Invalid XRechnung Specification Identifier in Germany

ErrorMandatoryAuto-fixable

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

Quick Facts

Severity

Error (rejection)

Ruleset

XRechnung (Germany)

Fix Confidence

80%

Mandate

B2B Mandatory

Fix Type

Automatic

Why This Matters in Germany

Germany requires e-invoicing using XRechnung (UBL), XRechnung (CII), ZUGFeRD 2.x. Invoices with this error will be rejected. They cannot be processed for Germany compliance.

Invoice Navigator automatically fixes this error. No manual intervention needed.

Invoice Navigator covers 147 XRechnung 3.0.2 rules for Germany. Auto-remediates 89% of top rejection errors.

How to Fix BR-DE-21

1
Check current value
Examine the CustomizationID element
2
Set valid URN
Use urn:cen.eu:en16931:2017#compliant#urn:xeinkauf.de:kosit:xrechnung_3.0

Example: Before & After

Before (invalid)

<Invoice>
  <cbc:BuyerReference><!-- invalid or missing value --></cbc:BuyerReference>
</Invoice>

After (fixed)

<Invoice>
  <cbc:BuyerReference>correct-value</cbc:BuyerReference>
</Invoice>

Germany E-Invoicing Requirements

Phase

Status

Scope

B2G

Live (Nov 2020)

All federal suppliers

B2B receiving

Live (Jan 2025)

All German businesses

B2B sending

Jan 2027

>€800K annual revenue

B2B sending

Jan 2028

All businesses

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

Fix BR-DE-21 automatically

Upload your invoice and let Invoice Navigator auto-remediate this error.

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