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PEPPOL-EN16931-R001

The business process (BT-23) is missing: a technical identifier of the process the invoice belongs to

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

What the message means

The business process (BT-23) is missing: a technical identifier of the process the invoice belongs to.

What the issuer needs to change

Have the business process entered in the invoicing software; the usual value is urn:fdc:peppol.eu:2017:poacc:billing:01:1.0.

This rule is part of XRechnung, even though its name starts with PEPPOL.

Fields concerned

Your invoice reports PEPPOL-EN16931-R001? 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.

Check an e-invoice

Origin

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

Original rule text

Business process MUST be provided.

Source: KoSIT, XRechnung Schematron 2.6.0, Apache License 2.0

Technical details for IT

UBL

Context: ubl-creditnote:CreditNote | ubl-invoice:Invoice
Test: not(cbc:ProfileID)

CII

Context: rsm:ExchangedDocumentContext
Test: not(ram:BusinessProcessSpecifiedDocumentContextParameter/ram: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).