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PEPPOL-EN16931-R005

The VAT accounting currency (BT-6) equals the invoice currency (BT-5)

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

What the message means

The VAT accounting currency (BT-6) equals the invoice currency (BT-5).

What the issuer needs to change

Give BT-6 only if VAT is stated in a different currency.

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

Fields concerned

Your invoice reports PEPPOL-EN16931-R005? 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
Error

Original rule text

VAT accounting currency code MUST be different from invoice currency code when provided.

Source: KoSIT, XRechnung Schematron 2.6.0, Apache License 2.0

Technical details for IT

UBL

Context: cbc:TaxCurrencyCode
Test: not(not(normalize-space(text()) = normalize-space(../cbc:DocumentCurrencyCode/text())))

CII

Context: ram:ApplicableHeaderTradeSettlement
Test: not(not(ram:TaxCurrencyCode) or normalize-space(ram:TaxCurrencyCode/text()) != normalize-space(ram:InvoiceCurrencyCode/text()))

Related rules

All validation rules

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