---
title: What Is Form 843? 2026 Guide With Sources | TaxTruce
url: https://taxtruce.com/answers/what-is-form-843
updated: 2026-10-29
---

# What is Form 843?

Updated October 8, 20262 sourcesTaxTruce team[Fact checked](/editorial-standards)

The short answer

Form 843 is the Claim for Refund and Request for Abatement. Use it to ask the IRS in writing to remove a penalty if a phone request doesn't work.

## Words to know

[Form 843](/glossary)
:   The form to ask the IRS for a refund or to remove a penalty in writing.

## Sources

1. [IRS: Penalty relief](https://www.irs.gov/payments/penalty-relief)
2. [IRS: First Time Abate and Automatic Exemption from Penalty](https://www.irs.gov/payments/penalty-relief-due-to-first-time-abate-or-other-administrative-waiver)

Run the numbers with our [free tax tools](/tools), like the penalty and payment plan math.