T
The Daily Insight

Where do I put the CP2000 notice on my tax return?

Author

John Thompson

Published Mar 05, 2026

You can get help at an IRS Taxpayer Assistance Center. If you choose to file an amended return, write “CP2000” on top of your return and attach it behind your completed response form. Send the information in the envelope provided or fax it to the number shown on the notice.

What do you do with a CP2000 letter?

The videos explain the IRS Letters CP2000 and CP3219A and what to do with them. The videos also refer to additional resources at IRS.gov. The IRS Letter CP2000: Proposed Changes to Your Tax Return video tells taxpayers why they received this letter from the IRS and how to respond if they agree – or disagree – with the proposed changes.

What does the IRS letter cp3219a tell you?

The IRS Letter CP3219A: Statutory Notice of Deficiency video provides information about a proposed increase in tax and how the IRS figured this on the tax return. It also gives information about the taxpayer’s right to challenge the decision, if they choose to do so.

What does an underreporter inquiry CP2000 mean?

It’s usually a CP2000 notice, also called an underreporter inquiry. This notice basically proposes taxes, and possibly penalties, you might owe for missing income on your return.

What happens if you receive an incorrect CP2000?

Because Form 1040X routinely gets routed to an IRS filing unit, rather than the underreporting function at the IRS. In the end, the IRS may not process the Form 1040X as a reply. The IRS will assess the CP2000 tax, and a mess happens when you try to correct the issue. 5. Appeal or ask for CP2000 reconsideration if you disagree with the IRS.

How long does it take for the IRS to respond to a CP2000?

Regarding the IRS CP2000 notice, typically it can take anywhere from 2-8 weeks for the case to be fully resolved. It is paramount that you do not simply mail the response and leave it to the IRS but instead reach out and ensure that your notice has indeed been addressed.

Is the CP2000 a declaration of an audit?

It is simply a document the IRS sends proposing that you revisit your claimed income, payments, credits, or deductions. These changes will either result in more taxes owed or a larger credit. By no means is the CP200 a bill, nor is it a declaration of an audit.

What to do if you get a CP2000 inquiry?

Gather all the information statements under your Social Security Number. These are the forms you get at tax time reporting your income for the year (like W-2s and 1099s). Compare those statements with your tax return to see whether you left any income off your return. If so, you’ll need to properly calculate any additional tax that you may owe.

What happens when the IRS finds a deficiency in income?

When the IRS finds an income deficiency, they calculate a preliminary tax assessment, but it is not always accurate, because they may not know about deductions or special circumstances. I suggest that you prepare an amended return to see if the tax owed that you calculate is the same as the tax owed calculated by the IRS.

How to appeal a CP2000 deficiency to the IRS?

You can appeal CP2000 deficiencies to the IRS Office of Appeals, but to do so, you must appeal before the IRS issues a notice of deficiency. Include the following statement in all responses you send to the IRS: “In the event that the IRS disagrees with this response, I request an appeals hearing with the IRS Office of Appeals.”

When do I get a notice from the IRS?

No, the notice is a proposal and informs you of a discrepancy between the information we received and the information reported on your tax return. If the discrepancy remains unresolved, or we don’t receive a response to the notice, you may receive a subsequent notice and a bill at a later date.

Where can I get a copy of the IRS audit letter?

Download Form 9465 from or call 1-800-829-3676 to request a copy. You can also save time and money by applying online if you qualify.