We have provided sample letters that you can use to request waivers of several different types of IRS penalties. You may qualify to have certain penalties removed or reduced if you acted with reasonable cause and in good faith.The IRS has some tax penalty abatement (ie, waiver) options that might be available to you. If you qualify, all or part of your penalty can be erased. Use Form 843 to claim a refund or request an abatement of certain taxes, interest, penalties, fees, and additions to tax. Learn the 5 steps that tax resolution specialists must use to craft and submit a successful IRS First Time Penalty Abatement letter. In this video, we cover how to request IRS penalty abatement using reasonable cause. You also need to complete IRS Form 843 (request for abatement and claim for refund) and enclose it with your request letter. Some penalty relief requests may be accepted over the phone. Yes, you can ASK for penalty abatement relief at any time.