PEPPOL-EN16931-R003: buyer or order reference missing

Peppol requires either a buyer reference (BT-10) or a purchase order reference (BT-13), so the buyer can match the invoice to an internal process.

What the validator reports

PEPPOL-EN16931-R003: A buyer reference or purchase order reference MUST be provided.

This is the message our validator returns for an invoice with this problem. The text is the official rule text.

How to fix it

Fill in at least one of them. Many buyers want their order number here. In the JSON this is buyerReference or orderReference.

In the XML (UBL)

<cbc:BuyerReference>PO-BE-2231</cbc:BuyerReference>

With the Valinvo API (JSON)

"buyerReference": "PO-BE-2231"

Related rules

• PEPPOL-EN16931-R010: buyer electronic address missing

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