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Official form guide
IRS Form 843 is used to claim a refund or request an abatement of certain taxes, penalties, interest, and fees; it cannot be used for income, estate, or gift tax refunds. Employers are prohibited from using it for FICA, RRTA, or income tax withholding refunds.
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IRS Form 843 is used to claim a refund or request an abatement of certain taxes, penalties, interest, and fees; it cannot be used for income, estate, or gift tax refunds. Employers are prohibited from using it for FICA, RRTA, or income tax withholding refunds.
Plain English
Form 843 lets you ask the IRS to give back money or cancel penalties for specific taxes, interest, or fees. It does not apply to income, estate, or gift tax refunds, nor to employer payroll taxes like FICA. Choose the correct reason box at the top and provide your identifying information. Submit the signed form with any required documentation.
Submission Date
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Glossary Terms
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Form selector
Need to amend a previously filed individual income tax return
Form 1040‑X is required to change amounts on Forms 1040 series and related returns
✓ Verify the return being amended is an individual income tax return
Claiming a refund of excise taxes
Excise tax refunds must be filed on Form 8849, not Form 843
✓ Confirm the tax type is an excise tax
Seeking a refund of wagering tax
Wagering tax refunds are processed with Form 730, the Monthly Tax Return for Wagers
✓ Ensure the tax in question is wagering tax
Not stated in the official source.
Checklist
Reason checkbox
Select the appropriate reason from the list at the top of the form · Top of Form 843
Tax or fee type (line 5)
Identify the specific tax or fee being claimed · Line 5 of Form 843
IRC section (line 6)
Internal Revenue Code section number from the assessment notice · Line 6 of Form 843
Taxpayer Identification Number (TIN)
Social Security Number or EIN · TIN field on Form 843
Signature
Filer’s signature · Signature line on Form 843
Field map
General Info
2 items
Full legal name and taxpayer identification number (SSN or EIN).
Current mailing address.
Details
2 items
Complete all applicable sections of this form according to the official IRS instructions.
Enter the relevant dollar amount if this form involves tax calculation.
Certification
1 items
Read and acknowledge any certifications required by this form.
Signatures
1 items
Sign and date. Unsigned forms cannot be processed.
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Fillable formOpen in Editor->Form 843 is the December 2024 revision; the instructions direct users to the IRS.gov/Form843 page for the latest developments, and note that the form and its instructions have been redesigned.
Quick Facts
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Can I use Form 843 to get a refund of my income tax?
The form does not cover income tax refunds
→ Verify that the refund type is listed among the allowed taxes
Can an employer claim a refund of FICA tax with Form 843?
Employers are prohibited from using Form 843 for FICA, RRTA, or withholding refunds
→ Confirm employer status and tax type before checking a box
Do I need to file Form 843 for a penalty on my 1040?
Penalties related to Additional Medicare Tax require a different form
→ Check if the penalty is for Additional Medicare Tax; if so, use Form 1040‑X
What if my reason isn’t listed in the checkboxes?
The form provides an “Other (specify)” option for unlisted reasons
→ Select “Other (specify)” and clearly state the reason
Do I need to attach the original notice when filing?
Supporting documentation is required to substantiate the claim
→ Attach the notice or assessment referenced in the claim
Do I need to request a net interest rate of zero?
Section 5 mentions an option to request a zero net interest rate
→ If you want zero interest, check the appropriate box on the form
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⚠ If something goes wrong
Form 843 lets you ask the IRS to give back money or cancel penalties for specific taxes, interest, or fees. It does not apply to income, estate, or gift tax refunds, nor to employer payroll taxes like FICA. Choose the correct reason box at the top and provide your identifying information. Submit the signed form with any required documentation.
Form 843 collects the reason for filing via checkboxes, the taxpayer’s name, Taxpayer Identification Number, and address.
First, check the box that matches the reason for the refund or abatement. Next, fill in the name, TIN, and address fields. Attach any supporting documents that justify the claim. Finally, sign and date the form before mailing it to the IRS service center indicated for the specific tax type.
The form does not cover income tax refunds Verify that the refund type is listed among the allowed taxes
Employers are prohibited from using Form 843 for FICA, RRTA, or withholding refunds Confirm employer status and tax type before checking a box
Penalties related to Additional Medicare Tax require a different form Check if the penalty is for Additional Medicare Tax; if so, use Form 1040‑X
The form provides an “Other (specify)” option for unlisted reasons Select “Other (specify)” and clearly state the reason
Supporting documentation is required to substantiate the claim Attach the notice or assessment referenced in the claim
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