How do I fix IS-R-009?

This requires user input to resolve. Provide the correct value for `cbc:DueDate` (BT-9). You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.

Is IS-R-009 a critical error?

Yes, IS-R-009 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted.

Can IS-R-009 be automatically fixed?

IS-R-009 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-009Fixable here

Icelandic invoices with EINDAGI (final due date) must also have a regular...

This is the rejection, word for word: „[IS-R-009] Icelandic invoices with EINDAGI (final due date) must also have a regular due date (BT-9). The due date is required when EINDAGI is present.“

What to have readyPayment Due Date (BT-9)

What we doThis requires user input to resolve. Provide the correct value for `cbc:DueDate` (BT-9).

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>
  <cbc:DueDate><!-- invalid or missing value --></cbc:DueDate>
</Invoice>

After

<Invoice>
  <cbc:DueDate>correct-value</cbc:DueDate>
</Invoice>

What the finding looks likeExample

FindingValue missing · IS-R-009

From youPayment Due Date (BT-9)

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...