When should I file my Form 11 Income Tax Return For 2024? A. No later than 31 October 2025. By Cathal Maxwell|2025-05-23T08:39:28+01:00May 23, 2025|Tax Return Deadlines FAQs| Share This Story, Choose Your Platform! FacebookXBlueskyRedditLinkedInWhatsAppTelegramTumblrPinterestXingEmail About the Author: Cathal Maxwell Cathal brings over 40 years of tax experience, advising individuals and businesses on Income Tax, Capital Taxes, Inheritance Tax, Stamp Duty, and VAT.