Is BR-AE-04 a critical error?

Yes, BR-AE-04 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted.

Can BR-AE-04 be automatically fixed?

BR-AE-04 requires a specific input value (e.g., a missing identifier or code). Provide the required data and re-validate.

Error codes · EN 16931

BR-AE-04Fixable here

When document level charges use the reverse charge VAT category, both seller...

This is the rejection, word for word: „[BR-AE-04] When document level charges use the reverse charge VAT category, both seller and buyer must have proper tax identifiers for tax compliance.“

What to have readySeller VAT ID · Buyer VAT ID

What we doThis requires user input to resolve. Review the relevant cbc: and cac: elements in your Invoice XML and provide the correct value. (BR-AE-04).

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>
  <!-- Issue: When document level charges use the reverse charge VAT categ -->
</Invoice>

After

<Invoice>
  <!-- Issue resolved per EN 16931 -->
</Invoice>

What the finding looks likeExample

FindingValue missing · BR-AE-04

From youSeller VAT ID, Buyer VAT ID

ThenPassed

ProofSHA-256 and /verify link after the check