PEPPOL-EN16931-R020 - The seller electronic address is mandatory
The seller electronic address (BT-34) identifies the sender on the network and lets the buyer reply, for example with a message level response. Peppol requires it on every document.
PEPPOL-EN16931-R020 - The seller electronic address is mandatory
The seller electronic address (BT-34) identifies the sender on the network and lets the buyer reply, for example with a message level response. Peppol requires it on every document. This is a Peppol BIS Billing 3.0 rule. It applies on top of the EN 16931 core standard, on invoices exchanged over the Peppol network.
What this rule checks
The seller electronic address (BT-34) identifies the sender on the network and lets the buyer reply, for example with a message level response. Peppol requires it on every document.
How to fix it
Add cbc:EndpointID inside cac:AccountingSupplierParty/cac:Party, with its schemeID attribute set to the right EAS code.
Validate against this rule
This rule is part of EN 16931. Check your invoice with the validator that matches your format:
Related rules
Source: OpenPeppol BIS Billing 3.0 · Last verified: 2026-07-10
All validation rules