IS-R-006:Icelandic suppliers using payment means code 9 (claim/krafa) must provide a...
Fix: Icelandic suppliers using payment means code 9 (claim/krafa) must provide a 12-digit account ID consisting of bank number, ledger 66, and account number.
Icelandic suppliers using payment means code 9 (claim/krafa) must provide a 12-digit account ID consisting of bank number, ledger 66, and account number.
Engine Classification
Financial or legal field · Modification blocked by policy
Reason: Icelandic banking format (12-digit) is strictly validated. Please verify your Icelandic bank account details.
What is IS-R-006?
IS-R-006 is a fatal validation rule defined in the CIUS-IS (Iceland) specification (ISL national rules).
When this rule fires, the invoice is rejected by Peppol access points and never reaches the buyer.
Why This Error Matters
Invoice will be rejected by Icelandic validation. Claim payments require specific 12-digit account format.
IS-R-006 is a hard failure — the invoice must be corrected and re-sent before it can reach the recipient.
Validator Behavior
- ·Causes invoice rejection
- ·Error returned: IS-R-006
- ·Specification: CIUS-IS (Iceland)
How to Fix It
Identify the issue in your invoice
Icelandic suppliers using payment means code 9 (claim/krafa) must provide a 12-digit account ID consisting of bank number, ledger 66, and account number.
Correct this in your invoicing software
Icelandic suppliers using payment means code 9 (claim/krafa) must provide a 12-digit account ID consisting of bank number, ledger 66, and account number.
Re-export and validate
Generate a new invoice export from your accounting system and re-validate to confirm IS-R-006 is resolved.
Before / After
<Invoice> <!-- Issue: Icelandic suppliers using payment means 9 (claim/krafa) must --> </Invoice>
<Invoice> <!-- Issue resolved per CIUS-IS (Iceland) --> </Invoice>
Technical Reference
Common Causes
- ·Account ID not 12 digits
- ·Missing bank number or account number
- ·Wrong account format for claim payment
- ·Payment means 9 selected without Icelandic account details
- ·Account ID format incorrect
Seeing this in production? The API handles IS-R-006 automatically. See the fix response →
Frequently Asked Questions
Icelandic suppliers using payment means code 9 (claim/krafa) must provide a 12-digit account ID consisting of bank number, ledger 66, and account number.
Icelandic suppliers using payment means code 9 (claim/krafa) must provide a 12-digit account ID consisting of bank number, ledger 66, and account number. You can also use Invoice Navigator's compliance engine to correct this automatically in your pipeline.
Yes, IS-R-006 is a critical error that will cause invoice rejection. It must be fixed before submission.
Many instances of IS-R-006 can be automatically corrected using Invoice Navigator's compliance engine. The fix is applied in your pipeline with full audit evidence.
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Last updated: 14 April 2026
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