Is IS-R-005 a critical error?

Yes, IS-R-005 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted.

Can IS-R-005 be automatically fixed?

IS-R-005 requires a specific input value (e.g., a missing identifier or code). Provide the required data and re-validate.

Error codes · CIUS-IS · ISL

IS-R-005Fixable here

When both seller and buyer are Icelandic, the buyer's address must include...

This is the rejection, word for word: „[IS-R-005] When both seller and buyer are Icelandic, the buyer's address must include street name and postal code. Complete address is required for domestic transactions.“

What to have readyBuyer Street Name · Buyer Postal 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. (IS-R-005).

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 both seller and buyer are Icelandic, the buyer address  -->
</Invoice>

After

<Invoice>
  <!-- Issue resolved per CIUS-IS (Iceland) -->
</Invoice>

What the finding looks likeExample

FindingValue missing · IS-R-005

From youBuyer Street Name, Buyer Postal Code

ThenPassed

ProofSHA-256 and /verify link after the check

Often appears together with

IS-R-002Icelandic suppliers must provide their Icelandic legal ID (kennitala). This...IS-R-003Icelandic suppliers must provide complete address with street name and...IS-R-004When both seller and buyer are Icelandic, the buyer's kennitala must be...