Is DK-R-004 a critical error?

Yes, DK-R-004 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted.

Can DK-R-004 be automatically fixed?

DK-R-004 requires a specific input value (e.g., a missing identifier or code). Provide the required data and re-validate.

Error codes · OIOUBL · DNK

DK-R-004Fixable here

When specifying non-VAT Taxes for Danish customers, Danish suppliers MUST...

This is the rejection, word for word: „[DK-R-004] Your Danish invoice includes non-VAT taxes (such as environmental levies or municipal charges) but is missing the reason code. Danish regulations require a reason code that explains the type of non-VAT tax.“

What to have readyNon-VAT Tax Reason Code

What we doThis requires user input to resolve. Review the relevant cbc: and cac: elements in your Invoice XML and provide the correct value. (DK-R-004).

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 specifying non-VAT Taxes for Danish customers, Danish s -->
</Invoice>

After

<Invoice>
  <!-- Issue resolved per OIOUBL (Denmark) -->
</Invoice>

What the finding looks likeExample

FindingValue missing · DK-R-004

Location//cac:AllowanceCharge

From youNon-VAT Tax Reason Code

ThenPassed

ProofSHA-256 and /verify link after the check

Often appears together with

DK-R-002Danish seller Peppol address missing DK-R-003If ItemClassification is provided from Danish suppliers, UNSPSC version...DK-R-014Danish company registration number has wrong scheme code