Fillable IRS Form 843 – Claim Refund or Request Abatement

Form 843 (Claim for Refund and Request for Abatement) lets taxpayers ask the Internal Revenue Service for a refund of taxes, penalties, interest, or fees that were paid in error. Whether you’re seeking a refund on an employment tax, an excise tax, or a penalty, this two‑page form is the official way to make the request.

What Is IRS Form 843?

Form 843 is a multipurpose tax document used for:

• Refunding overpaid taxes (e.g., employment, estate, gift, excise).
• Requesting abatement of penalties or interest.
• Claiming refunds for specific fees such as the branded prescription drug fee.

When Should You Use Form 843?

You should file Form 843 when you have a legitimate reason to believe the IRS collected more than it was entitled to, or when an error caused an improper penalty or interest assessment. Typical scenarios include:

• Incorrect calculation of employment taxes.
• Excess Tier 2 RRTA tax.
• Interest charged due to IRS processing delays.
• Fee refunds for prescription drug fees.

How to Complete Form 843 Online with Formize

Formize makes the process painless. Follow these simple steps:

1. Click the "Fill out this form" button on this page.
2. The Formize PDF Filler app loads in your browser – no download needed.
3. Enter your taxpayer information, tax period, amount, and reason for the claim.
4. Attach any supporting documents (e.g., W‑2s, Form 8947) using the attachment field.
5. Review, sign electronically, and submit directly to the IRS or download the completed PDF for mailing.

Common Mistakes to Avoid

• Leaving lines blank: Every applicable line must be completed, even if the answer is “0”.
• Incorrect tax type selection: Choose the exact tax or fee from the list on Line 4.
• Missing signatures: Both the taxpayer and, if applicable, the authorized representative must sign.
• Insufficient documentation: Attach copies of the original tax return or related forms to support your claim.

Where to Submit Your Completed Form

After filling out Form 843, you have two options:

• Mail: Send the signed PDF to the address listed in the form’s instructions for your tax type.
• Electronic submission: Use the IRS’s secure e‑file portal if you have a valid e‑file account.

Using Formize’s online filler ensures the PDF is correctly formatted for both mailing and electronic submission.