Do I need to complete the IT Self-Assessment panel on Form 11?Yes, you must complete this section. Failure to do so may lead to a €250 penalty.Using FastTax.ie ensures this is done correctly.By Cathal Maxwell|2025-06-24T11:26:17+01:00May 23, 2025|Tax Return Self Assessment 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.