Proposed change

What does IRS notice CP2000 mean?

The IRS found that information from an employer, bank, or other payer does not match your filed return. A CP2000 proposes a change; the IRS says it is not a bill.

Reviewed against the linked IRS guidance on October 5, 2026. This summary does not replace your own notice.

Check the date and instructions on your letter

Do not treat the proposed tax as final. The IRS says to reply by the date on the notice, even if you disagree.

Why you may have received CP2000

The proposed change can be right, partly right, or wrong. A timely response should address each item using the return and source documents.

What to check now

  1. 1Compare each proposed item with your return and W-2, 1099, or other source records.
  2. 2Read the reply date and use the response method and form included with your notice.
  3. 3If you disagree, explain why and include the supporting documents requested by the IRS.

Read the IRS source

The official IRS page has the full instructions, payment or verification links when applicable, and contact information. Always compare it with the version of the letter you received.

Official IRS guidance for CP2000

Need a review of your specific facts?

IntegraFin can review the letter, relevant return, payment history, and records under an agreed scope. A website lookup cannot confirm a balance, deadline, or outcome, and requesting help does not pause the IRS process.

Request notice review