We have provided sample letters that you can use to request waivers of several different types of IRS penalties. The following pages contain templates to request penalty abatement on behalf of your clients when certain criteria are met.If you checked box B, complete Form 2210 through line 18 without regard to the waiver. If you believe that you have a valid claim for an IRS interest abatement, IRS Form 843 is the appropriate IRS interest abatement request form. Use IRS Form 843 to request penalty abatement. In this article we tell you what you need to do to have your request approved. Find Help with Penalty Relief. Use proper grammar and formatting. Personal delivery of notice of penalty under section 6672. Sec. 3308. â–« Clients may need assistance filling out the forms.