IRS Form 12203

2025 Printable Template

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Form last updated: 03/2024. Please verify this is the current version before use.

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What is a 12203 used for?

Form 12203 is used by taxpayers to request an Appeals review of certain IRS decisions, typically following an audit. This form allows taxpayers to formally contest proposed changes and seek a resolution through the IRS Appeals process.

Who needs to fill out a 12203 form

Taxpayers who have received an IRS notice proposing changes to their tax return and wish to contest those changes through an Appeals review.

How to fill out a 12203 online?

Follow these steps to complete your 12203 form online.

Step 1
Step 1
Access Form 12203 from the IRS website or through a PDF editor.
Step 2
Step 2
Fill in your personal information in the Taxpayer Information section.
Step 3
Step 3
List the items you disagree with and provide your reasons in the Disagreed Items section.
Step 4
Step 4
Specify the relevant tax period(s) for your appeal.
Step 5
Step 5
Submit the completed form to the IRS address indicated in your notice.
IRS Appeals Process

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Frequently Asked Questions

Find quick answers to common questions about our PDF editor.

Form 12203 is a request for an Appeals review that allows taxpayers to contest IRS decisions made during an audit.

You need to enter your personal information, list disputed items with explanations, specify the tax period, and submit it to the IRS.

The form must be submitted within the timeframe specified in the IRS notice you received.

Yes, you can represent yourself, but if someone else represents you, they must be authorized to practice before the IRS.

If no agreement is reached, you will receive a Notice of Deficiency, allowing you to take your case to Tax Court.

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