Iceland’s Revenue and Customs (RSK) has launched its website for business tax return filings for 2024.
The tax filings must be completed only in Icelandic. The Instructions for completing the returns are: RSK 8.05 (Tax return for businesses – instructions and examples) and RSK 8.18 (Tax return preparation and submission for businesses).
The filing deadline is 31 May 2025. However, auditors and accountants can extend the deadline to 30 September 2025.