Iceland Gazettes Announcement on 2026 Income Tax Return Filing Deadlines for 2025 Income

Jan. 8, 2026, 5:00 AM UTC

The Icelandic Official Gazette Dec. 30, 2025, published Announcement No. 1560/2025, on 2026 income tax return filing deadlines for 2025 income. The announcement includes deadlines of: 1) March 13 for electronic filing for individuals, including deceased individuals; 2) May 31, 2026, for larger legal entities, smaller legal entities with turnover under 1 billion Icelandic kronur (US$8 million) and assets under 500 million kronur (US$4 million) and that aren’t filing through registered tax professionals, and estates for which the division wasn’t formally completed by Dec. 31, 2024; 3) Sept. 21 for smaller legal entities filing through registered professionals, with conditions; and ...

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