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BR-DE-21

The specification identifier (BT-24) is not the XRechnung identifier

Validation rule of XRechnung 3.0.2 (KoSIT, Schematron 2.6.0) · Level: Warning

What the message means

The specification identifier (BT-24) is not the XRechnung identifier.

What the issuer needs to change

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

Fields concerned

Your invoice reports BR-DE-21? Check it with SmartFormular E-Rechnung lite, free to try until 31 December 2026: the tool shows every finding with an explanation, the invoice in readable form and a GiroCode to pay – in your browser, no upload.

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Origin

Rule set
XRechnung 3.0.2 (KoSIT, Schematron 2.6.0)
Syntax
CII, UBL
Level
Warning

Original rule text

Das Element "Specification identifier" (BT-24) soll syntaktisch der Kennung des Standards XRechnung entsprechen.

Source: KoSIT, XRechnung Schematron 2.6.0, Apache License 2.0

Technical details for IT

UBL

Context: /ubl:Invoice | /cn:CreditNote
Test: not(cbc:CustomizationID = $XR-CIUS-ID or                     cbc:CustomizationID = $XR-EXTENSION-ID or                     cbc:CustomizationID = $XR-CVD-ID)

CII

Context: /rsm:CrossIndustryInvoice/rsm:ExchangedDocumentContext
Test: not(ram:GuidelineSpecifiedDocumentContextParameter/ram:ID = $XR-CIUS-ID or                     ram:GuidelineSpecifiedDocumentContextParameter/ram:ID = $XR-EXTENSION-ID or                     ram:GuidelineSpecifiedDocumentContextParameter/ram:ID = $XR-CVD-ID)

Related rules

All validation rules

Technical explanation by robin.vision, not tax or legal advice. Rules as of 31 August 2026 (KoSIT validator configuration).