When should I file my Form 11 2023 income tax return?A. No later than 31 October 2024.By Cathal Maxwell|2025-05-23T08:37:32+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.