The buyer reference must be provided on the invoice.
The buyer reference must be provided on the invoice.
The buyer reference is used by many public sector recipients to route the invoice internally (department, cost center, order reference) and to match it to the procurement process. If you do not have an order reference, use the identifier provided by the buyer/portal.
Add the buyer reference to the invoice.
<cbc:BuyerReference>PO-2025-000123</cbc:BuyerReference><!-- Missing cbc:BuyerReference -->Validate your XRechnung files against all BR-DE rules.
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Overview of all German XRechnung validation rules.
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