Is IS-R-002 a critical error?

Yes, IS-R-002 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted.

Can IS-R-002 be automatically fixed?

IS-R-002 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-002Fixable here

Icelandic suppliers must provide their Icelandic legal ID (kennitala). This...

This is the rejection, word for word: „[IS-R-002] Icelandic suppliers must provide their Icelandic legal ID (kennitala). This 10-digit identifier is mandatory for Icelandic business invoices.“

What to have readySeller Kennitala

What we doIcelandic suppliers must provide their Icelandic legal ID (kennitala). This 10-digit identifier is mandatory for Icelandic business invoices.

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: Icelandic suppliers must provide their Icelandic legal ID (k -->
</Invoice>

After

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

What the finding looks likeExample

FindingValue missing · IS-R-002

From youSeller Kennitala

ThenPassed

ProofSHA-256 and /verify link after the check

Often appears together with

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...IS-R-005When both seller and buyer are Icelandic, the buyer's address must include...