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Official form guide
IRS Form 12203 is the Request for Appeals Review used by taxpayers who received IRS proposed audit adjustments of $25,000 or less and disagree with the changes. It initiates an independent Appeals review of the disputed items.
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IRS Form 12203 is the Request for Appeals Review used by taxpayers who received IRS proposed audit adjustments of $25,000 or less and disagree with the changes. It initiates an independent Appeals review of the disputed items.
Plain English
If the IRS tells you after an audit that you owe more money, but the amount is $25,000 or less and you think it’s wrong, you can fill out Form 12203. The form tells the Appeals office which items you disagree with and why, so they can review the case.
Submission Date
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Need to authorize a representative to act for you
IRS requires a signed power of attorney for a representative to communicate on your behalf
✓ Ensure the representative is an attorney, CPA, or enrolled agent and that Form 2848 is completed and signed
Representative will discuss the case without you present
IRS will only accept communications from a representative with a valid power of attorney
✓ Attach the completed Form 2848 to Form 12203
Changing your representative during the Appeals process
A new power of attorney must be filed to replace the prior one
✓ Submit an updated Form 2848 with the new representative’s details
Not stated in the official source.
Checklist
Taxpayer name(s)
Legal name as on tax return · Tax return or Social Security card
Taxpayer Identification Number(s)
SSN or EIN · Tax return or IRS notice
Disagreed item
Specific line or item from audit report · Proposed changes letter
Reason why you disagree
Explanation and supporting calculations · Your records or audit worksheet
Signature
Handwritten signature of taxpayer or authorized representative · Signature line on form
Representative Power of Attorney
Completed Form 2848 · Power of attorney paperwork
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->The form is the Rev. 8-2022 edition (August 2022); the source does not indicate a newer revision or a "latest information" page.
Quick Facts
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Can I use Form 12203 for adjustments over $25,000?
The form is limited to proposed adjustments of $25,000 or less.
→ Verify the proposed adjustment amount does not exceed $25,000.
Do I need to attach Form 2848 if I have a tax professional?
Representation requires a signed Power of Attorney (Form 2848) for an attorney, CPA, or enrolled agent.
→ Include a completed Form 2848 signed by the representative.
Will the Appeals office consider my religious objection?
Appeals excludes moral, religious, political, constitutional, conscientious objection grounds.
→ Ensure your disagreement is based on tax law, not religious reasons.
Do I have to wait for a Notice of Deficiency before going to Tax Court?
You may only go to Tax Court after receiving a Notice of Deficiency.
→ Confirm you have received the Notice before filing in Tax Court.
Can I file this form for a tax year not mentioned in the IRS letter?
The form is limited to the tax year examined in the IRS letter.
→ Check the IRS letter to match the tax year on the form.
Do I need both my signature and my representative’s signature?
The form requires the taxpayer’s signature and, if represented, the representative’s signature and Form 2848.
→ Verify both signatures and the attached Form 2848 are present.
Workflow map
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⚠ If something goes wrong
If the IRS tells you after an audit that you owe more money, but the amount is $25,000 or less and you think it’s wrong, you can fill out Form 12203. The form tells the Appeals office which items you disagree with and why, so they can review the case.
Taxpayers who received IRS proposed audit adjustments of $25,000 or less and wish to request an Appeals review must file IRS Form 12203.
The form collects the taxpayer’s name, identification number, mailing address, phone number, tax form number, tax period, the specific items you disagree with, your reason for disagreement, and a signature with date.
Return the completed form in the envelope that came with the IRS letter, sending it to the address shown in the letter’s heading.
Enter the taxpayer’s identifying information, list each disagreed item and the reason for disagreement, and sign and date the form. If a representative signs, attach a completed Form 2848 power of attorney. Mail the form in the envelope provided with the IRS letter.
Providing false or incomplete information can result in penalties and, in some cases, criminal prosecution, and the IRS may disallow exemptions, increasing tax or interest.
The form is limited to proposed adjustments of $25,000 or less. Verify the proposed adjustment amount does not exceed $25,000.
Representation requires a signed Power of Attorney (Form 2848) for an attorney, CPA, or enrolled agent. Include a completed Form 2848 signed by the representative.
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