Counterfoil rule note
Quoted from a public specification. This page is not a validator, and it is not tax, legal, or accounting advice.
The Seller electronic address (BT-34) shall have a Scheme identifier.
Source: https://docs.peppol.eu/poacc/billing/3.0/rules/ubl-tc434/BR-62/
Peppol BIS Billing 3.0, May 2026 release, EN 16931 model bound to UBL
Severity note: fatal, from the Flag column of the Peppol BIS Billing 3.0 UBL rules index retrieved 2026-10-18.
The Seller electronic address (BT-34) must have a Scheme identifier. The message starts with "The", not "Each", and says "shall have a Scheme identifier". It ends with a period. The context is the seller party endpoint id. The published test checks that the schemeID attribute exists. It does not check the scheme value.
When a seller electronic address (BT-34) is sent, give that endpoint id a scheme identifier.
Illustration of the condition in the official statement. Not an example published by the source.
Fails the stated condition. The seller endpoint id has no schemeID attribute.
Passes the stated condition. That endpoint id has a schemeID attribute.
Copied from the source. Not reimplemented on this page.
cac:AccountingSupplierParty/cac:Party/cbc:EndpointID
exists(@schemeID)
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