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Warning - Attention Needed

IRS CP2000 Notice

Underreporter Notice

IRS records do not match your return

What is CP2000? The CP2000 notice indicates that the income or payment information the IRS received from third parties (employers, banks, etc.

What This Notice Means

The CP2000 notice indicates that the income or payment information the IRS received from third parties (employers, banks, etc.) does not match what you reported on your tax return. This is NOT a bill - it is a proposed adjustment.

Why You Received This Notice

  • 1
    A W-2, 1099, or other form reported income you did not include
  • 2
    You may have forgotten to report some income
  • 3
    There may be an error in third-party reporting
  • 4
    A deduction or credit you claimed could not be verified

Important Deadline

You typically have 30 days to respond. The exact deadline is on your notice.

What You Should Do

  • Compare the notice to your records carefully
  • If the IRS is correct, you can agree and pay the proposed amount
  • If you disagree, respond with documentation by the deadline
  • Keep copies of everything you send

What NOT to Do

  • Do NOT ignore this notice - it will become a bill
  • Do NOT assume the IRS is always right - errors happen
  • Do NOT send original documents - send copies only

Frequently Asked Questions

Is CP2000 an audit?
No, CP2000 is not a formal audit. It is an automated matching notice. However, if you do not respond appropriately, it can lead to an assessed balance and collection action.
What if I disagree with CP2000?
You can respond in writing with an explanation and supporting documents. If the income was reported incorrectly by a third party, provide evidence. If you disagree after their response, you can request an appeal.

Need Help With This Notice?

Use our free tools to understand your options and connect with professionals who can help.

Recommended Next Steps

  • Review the proposed changes carefully
  • Gather supporting documentation if you disagree
  • Respond by the deadline, even if you need more time