What causes the BR-56 error?

Invoice line allowance must have either reason code or text explanation.

Add the required `cac:TaxRepresentativeParty` element to your Invoice. Ensure it contains a valid value per EN 16931. This error involves a protected field — Invoice Navigator flags it in your pipeline so your team can correct it at the source.

Is BR-56 a critical error?

Yes, BR-56 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted by the recipient's system.

Can BR-56 be automatically fixed?

BR-56 involves a financial or legal field that cannot be auto-modified by policy. Invoice Navigator detects and flags this error immediately, but the correction must be made manually in your ERP or invoicing software.

Error codes · EN 16931

BR-56Partly

Seller tax representative must have VAT identifier

This is the rejection, word for word: „[BR-56] Each Seller tax representative party (BG-11) shall have a Seller tax representative VAT identifier (BT-63).“

What to have readyThe correct figures from your bookkeeping; we show you which field is affected.

What we doAdd the required `cac:TaxRepresentativeParty` element to your Invoice. Ensure it contains a valid value per EN 16931.

Choose the rejected invoiceor drop it here

XRechnung XML or ZUGFeRD PDF. Checking is free · corrected file €1.90 · the first every 30 days is free · no sign-up.

If you enter it yourself in your invoicing software

Before

<Invoice>
  <!-- cac:TaxRepresentativeParty is missing -->
</Invoice>

After

<Invoice>
  <cac:TaxRepresentativeParty>valid-value</cac:TaxRepresentativeParty>
</Invoice>

What the finding looks likeExample

FindingNeeds your check · BR-56

Location//cac:InvoiceLine/cac:AllowanceCharge[cbc:ChargeIndicator=false]

From youThe correct figures

ThenChecked again

ProofSHA-256 and /verify link after the check

Often appears together with

BR-55Each Preceding Invoice reference shall contain invoice reference BR-57Each Deliver to address (BG-15) shall contain a Deliver to country code (BT-80)