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IS-R-001:Icelandic suppliers can only issue invoice type 380 (invoice) or 381 (credit note). Other document types are not support

Icelandic suppliers can only issue invoice type 380 (invoice) or 381 (credit note). Other document types are not supported for Icelandic e-invoicing.

Why This Error Matters

Invoice will be rejected by Icelandic validation. Only standard invoices and credit notes are supported.

Common Causes

  • Wrong invoice type code used
  • Proforma or other document type selected
  • Invoice type not set correctly
  • ERP default type not valid for Iceland
  • Document type from non-Icelandic template

Frequently Asked Questions

Icelandic suppliers can only issue invoice type 380 (invoice) or 381 (credit note). Other document types are not supported for Icelandic e-invoicing.
Icelandic suppliers can only issue invoice type 380 (invoice) or 381 (credit note). Other document types are not supported for Icelandic e-invoicing. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
IS-R-001 is a warning that may not always cause rejection, but it indicates a potential compliance issue that should be addressed.
Many instances of IS-R-001 can be automatically corrected using Invoice Navigator's Fixer tool. Upload your invoice and the tool will identify and fix common issues.

Last updated: 16 January 2026

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