How do I fix UBL-DT-06?

Invoice Navigator automatically fixes this Invoice compliance issue by updating the relevant XML elements (UBL-DT-06). You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.

Is UBL-DT-06 a critical error?

Yes, UBL-DT-06 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted.

Can UBL-DT-06 be automatically fixed?

Yes, UBL-DT-06 can be automatically corrected. The fix is applied without modifying financial fields.

Error codes · EN 16931

UBL-DT-06In your invoicing software

Binary object elements shall contain the mime code attribute

This is the rejection, word for word: „[UBL-DT-06] Your invoice contains an embedded attachment (EmbeddedDocumentBinaryObject) but the mimeCode attribute is missing. The MIME type (e.g., application/pdf, image/png) must be specified.“

What to have readyNothing. The file has to be re-exported from your invoicing software; we check it again afterwards.

What we doInvoice Navigator automatically fixes this Invoice compliance issue by updating the relevant XML elements (UBL-DT-06).

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: Binary object elements shall contain the mime code attribute -->
</Invoice>

After

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

Element order is part of the rule: if the element sits in the wrong place, the validator rejects with UBL-DT-06.

What the finding looks likeExample

FindingStructure invalid · UBL-DT-06

Location//cbc:EmbeddedDocumentBinaryObject/@mimeCode

From youA re-exported file

ThenRe-export

ProofSHA-256 and /verify link after the check