IRS Form 843 Instructions: Refund & Penalty Abatement Guide

IRS Form 843, Claim for Refund and Request for Abatement, is used for specific claims involving certain taxes, penalties, interest, fees, and additions to tax. It is not a general form for correcting an income tax return, disputing every IRS notice, or amending payroll tax returns.

Download the current official Form 843 PDF

Download the official Instructions for Form 843

Current revision: As verified August 6, 2026, the current form and instructions are revised December 2024. A form does not need “2026” printed on it to remain current.

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Form 843 Quick Facts

Official title Claim for Refund and Request for Abatement
Current revision December 2024, verified August 6, 2026
Main uses Certain refunds or abatements of tax, penalty, interest, fee, or addition to tax
How filed Generally paper filing, signed under penalties of perjury
Where filed Depends on the tax, fee, notice, return, and instructions
One form per period? Generally file a separate Form 843 for each tax period or fee year

When Form 843 May Be Used?

Depending on the facts and the current instructions, Form 843 may be used to:

  • request abatement or refund of certain taxes other than income, estate, or gift tax;
  • request abatement of certain penalties or additions to tax because of reasonable cause or another legal basis;
  • request abatement of interest when the Internal Revenue Code permits it;
  • claim certain refunds of tax that cannot be claimed on another prescribed form;
  • claim certain refunds or abatements of specified fees.

Eligibility depends on the type of assessment and the legal basis for the claim. Filing Form 843 does not automatically pause collection activity or guarantee an appeal.

When Not to Use Form 843?

The IRS instructions specifically exclude several common situations. Do not use Form 843 merely to:

  • request a refund of individual income tax—use the applicable amended return, often Form 1040-X;
  • amend a previously filed income or employment tax return;
  • request abatement of income, estate, or gift tax;
  • request an employer refund or abatement of FICA, RRTA, or income tax withholding when the applicable adjusted employment tax return is required;
  • claim a refund of Additional Medicare Tax;
  • request copies or transcripts of tax returns;
  • authorize someone to represent you before the IRS.

Common alternatives include Form 1040-X for an amended individual return, the applicable “X” employment tax return such as Form 941-X, Form 4506-T for transcripts, Form 2848 for representation, and Form 8821 for tax-information access.

Reasonable-Cause Penalty Abatement

A reasonable-cause request should explain the facts, dates, and circumstances that prevented compliance and show that the taxpayer exercised ordinary business care and prudence. Conclusions such as “I forgot” or “this is unfair” are usually less useful than a documented timeline.

Depending on the case, supporting records may include:

  • hospital or medical records relevant to the period;
  • death certificates or records of a death in the immediate family;
  • insurance, police, fire, disaster, or casualty records;
  • proof of a timely payment or filing attempt;
  • correspondence with a tax professional or payroll provider;
  • IRS notices and account transcripts;
  • a dated explanation showing when the problem began, how it affected compliance, and when it was corrected.

Reliance on a professional does not excuse every failure, especially when the taxpayer remains responsible for filing or payment. Explain precisely what advice was requested, what information was provided, and why reliance was reasonable.

First-Time Abatement

Some taxpayers with a compliant filing and payment history may qualify for administrative first-time penalty abatement for certain penalties. The IRS may process some requests by phone, while other cases require a written request. First-time abatement is separate from reasonable cause; if both might apply, understand how the IRS will consider them and preserve the facts supporting reasonable cause.

How to Complete Form 843?

  1. Identify the taxpayer. Enter the name, address, and taxpayer identification number exactly and securely.
  2. Select the reason. Check the box matching the requested refund or abatement.
  3. Identify the tax or fee. Enter the tax type, return, fee, and tax period involved.
  4. Enter the amount. State the exact amount requested and separate tax, penalty, and interest when possible.
  5. Cite the notice. Include the IRS notice number, date, and identifying assessment information when applicable.
  6. Explain the claim. Provide a chronological statement of facts and the legal or administrative basis for relief.
  7. Attach evidence. Include copies rather than irreplaceable originals unless the IRS specifically requires originals.
  8. Sign and date. An unsigned claim can be invalid or delayed. Representatives should include the appropriate authorization.

Sample Structure for the Explanation

A strong attachment can use this structure:

  1. Taxpayer name, identification number ending in only the last four digits on non-IRS cover correspondence, tax period, and notice number.
  2. Relief requested and exact amount.
  3. Chronology of relevant events.
  4. Why the facts meet reasonable cause or another cited standard.
  5. Corrective action taken and present compliance status.
  6. Numbered list of attached documents.

Do not publish or send sensitive tax information through ordinary email or a third-party website.

Where to Mail Form 843

There is no single mailing address for every Form 843. The destination depends on why you are filing:

  • If responding to an IRS notice, follow the notice instructions unless the Form 843 instructions say otherwise.
  • If the claim relates to a filed return, use the destination specified for that type of claim.
  • Special taxes and fees may have dedicated filing addresses.

Use the current IRS “Where to File” page for forms beginning with 8 and the instructions. Sending the form to an old address can delay a time-sensitive claim.

Time Limits

Refund claims are subject to statutory limitation periods. A common federal rule requires a claim within three years from the date the return was filed or two years from the date the tax was paid, whichever is later, but different rules, look-back limits, special taxes, financial disability, disasters, and other circumstances can affect the result. Do not treat this summary as a deadline calculation for an individual case.

After Filing

Keep a complete signed copy, attachments, proof of mailing or delivery, and the relevant notice. Processing time varies. If the IRS disallows a claim, the notice should explain available protest, appeal, or refund-suit rights and applicable deadlines.

Frequently Asked Questions

Can Form 843 remove an income tax balance?

It is not the general form for abating income tax. It may apply to certain penalties or interest connected to an account, but the underlying income tax usually requires another procedure.

Can I combine several years on one Form 843?

The instructions generally require a separate form for each tax period or fee year.

Does filing Form 843 stop IRS collection?

Do not assume that it does. Follow any collection notice deadlines and contact the IRS using the notice instructions when necessary.

Can I file Form 843 electronically?

General Form 843 claims are typically paper-filed. Limited electronic procedures may exist for specifically announced claim programs; use only an official IRS procedure applicable to your claim.

Official Resources

Last reviewed: August 6, 2026. This guide is general information, not tax or legal advice.