IS-R-007:Icelandic suppliers using payment means code 42 (bank transfer) must provide...
Fix: Review your Invoice XML structure and correct the issue described by this rule. Check relevant cbc: and cac: elements per CIUS-IS (Iceland).
Icelandic suppliers using payment means code 42 (bank transfer) must provide a 12-digit bank 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-007?
IS-R-007 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. Bank transfers require 12-digit Icelandic account number.
IS-R-007 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-007
- ·Specification: CIUS-IS (Iceland)
How to Fix It
Identify the issue in your invoice
Icelandic suppliers using payment means code 42 (bank transfer) must provide a 12-digit bank account number.
Correct this in your invoicing software
Review your Invoice XML structure and correct the issue described by this rule. Check relevant cbc: and cac: elements per CIUS-IS (Iceland).
Re-export and validate
Generate a new invoice export from your accounting system and re-validate to confirm IS-R-007 is resolved.
Before / After
<Invoice> <!-- Issue: Icelandic suppliers using payment means 42 (bank transfer) m --> </Invoice>
<Invoice> <!-- Issue resolved per CIUS-IS (Iceland) --> </Invoice>
Technical Reference
Common Causes
- ·Account ID not 12 digits
- ·Missing or incomplete bank account
- ·Wrong account format for transfer
- ·Payment means 42 selected without full account
- ·Non-Icelandic account format used
Seeing this in production? The API handles IS-R-007 automatically. See the fix response →
Frequently Asked Questions
Icelandic suppliers using payment means code 42 (bank transfer) must provide a 12-digit bank account number.
Review your Invoice XML structure and correct the issue described by this rule. Check relevant cbc: and cac: elements per CIUS-IS (Iceland). You can also use Invoice Navigator's compliance engine to correct this automatically in your pipeline.
Yes, IS-R-007 is a critical error that will cause invoice rejection. It must be fixed before submission.
Many instances of IS-R-007 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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Detect IS-R-007 before submission
This error involves a financial field that can't be auto-modified. We'll flag it with a clear diagnosis so you can fix it at the source.