How do I fix IS-R-008?

Invoice Navigator automatically fixes this Invoice compliance issue by updating the relevant XML elements (IS-R-008). You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.

Is IS-R-008 a critical error?

Yes, IS-R-008 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted.

Can IS-R-008 be automatically fixed?

Yes, IS-R-008 can be automatically corrected. The fix is applied without modifying financial fields.

Error codes · CIUS-IS · ISL

IS-R-008In your invoicing software

When Icelandic invoices include EINDAGI (final due date) in supporting...

This is the rejection, word for word: „[IS-R-008] When Icelandic invoices include EINDAGI (final due date) in supporting documents, the date must be in YYYY-MM-DD format.“

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 (IS-R-008).

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: If seller is Icelandic and invoice contains supporting descr -->
</Invoice>

After

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

Element order is part of the rule: if the element sits in the wrong place, the validator rejects with IS-R-008.

What the finding looks likeExample

FindingStructure invalid · IS-R-008

Location//cac:InvoiceLine/cbc:AccountingCost

From youA re-exported file

ThenRe-export

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...