Who can talk to the IRS for you about a CP2000
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Who can talk to the IRS for you about a CP2000
By Tax Letter Desk Updated November 4, 2026
Short answer
To let someone contact the IRS about this notice, fill in the Authorization section of the Response form.
To let a tax professional represent you more broadly, send Form 2848, Power of Attorney.
Tax Letter Desk doesn’t represent you. You sign and send your reply yourself.
Checked November 4, 2026 against IRS Topic 652 (Oct 16, 2026) , IRS CP2000 page (Jul 14, 2026) .
In this article
How do I let someone call about this notice?
When do I need Form 2848?
Who can represent me at Appeals?
Is free help available?
Questions
How do I let someone call about this notice?
Complete the Authorization section on the Response form.
It lets that person contact the IRS about this notice.
You stay in charge: answer 7 questions, then sign and send it.
When do I need Form 2848?
To let someone, like a tax professional, contact the IRS for you about this or other matters you authorize.
The person must be eligible to practice before the IRS. They can also inspect your tax information.
Who can represent me at Appeals?
Only attorneys, certified public accountants or enrolled agents, per Pub 5181.
An unenrolled preparer can be a witness, not a representative.
Is free help available?
You may qualify for help from the Taxpayer Advocate Service, or a Low Income Taxpayer Clinic.
Sources
Topic no. 652, Notice of underreported income, CP2000 IRS, updated October 16, 2026
Understanding your CP2000 series notice IRS, updated July 14, 2026
About Form 2848, Power of Attorney and Declaration of Representative IRS, updated September 11, 2026
Publication 5181, Tax return reviews by mail (PDF) IRS, revision December 2022
Questions
Yes, about this notice, if you name them in the Authorization section of the Response form.
A person eligible to practice before the IRS.
No. We prepare your reply. You sign and send it yourself.
Related guides
How to respond to a CP2000 notice Pillar guide
How to fill out the CP2000 response form Guide
CP2000 on a joint return: who signs? Article
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