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Add the seller electronic address

PEPPOL-EN16931-R020 - The seller Party must include an EndpointID. This rule checks its presence; other rules check its scheme and value.

How to fix it

Add cbc:EndpointID inside cac:AccountingSupplierParty/cac:Party, with the seller’s real electronic address and its appropriate schemeID. Presence does not prove Peppol network registration.

Example

<cbc:EndpointID schemeID="0088">7300010000001</cbc:EndpointID>
Illustrative only: replace with the seller’s actual registered address.

Examples are illustrative fragments, not complete invoices. Validate the complete document after applying a fix.

Scope and source

Reviewed for Peppol BIS Billing 3.0.21 (May 2026), EN 16931 1.3.16. Guidance version 2026-09-06.1, checked 2026-09-06. Applies to the Invoice and CreditNote rulesets named by the validator.

Official Peppol rule and test

Guidance does not change the engine verdict. Other findings may need separate fixes. Validation does not certify legal or tax compliance or transmit a document over Peppol.

Validate your corrected invoiceValidation guide