Understanding your CP2057 Notice

What This Notice Is About

You need to file an amended return. We've received information not reported on your tax return.


What You Need To Do

  • Read your notice carefully. It will explain the information we received.
  • File an amended return (PDF) if the information is correct.
  • If you believe the information is wrong, contact the business or person reporting the information and ask them to correct it.

You May want to

  • Order a transcript of your return.
  • Make sure your other returns aren't missing the same information.
  • Contact us with any unanswered questions you have.
  • Keep a copy of your notice for your files.

Frequently Asked Questions

You need to amend your return if the information we received is correct.

Use the information in the notice to amend your return. Compare it against a copy of your original return. Report the difference or change on Form 1040-X, Amended U.S. Individual Income Tax Return (PDF). You can receive help at an IRS Taxpayer Assistance Center.

You don't have to amend your return if the information is wrong. Instead, contact whoever reported the wrong information and ask them to correct it. You don't need to contact us.

You don't have to contact us to explain why the information is wrong. The payer will report the correct information to us.

We can accept your information over the phone for incorrectly reported information as long as the mistake didn't increase or decrease your tax. However, you should file an amended return if you didn't report the information, or misreported it in a way that increased or decreased your tax.

See our Identity Theft information to find out what you can do. You also should call us and let us know.

We match the information you report on your tax return with information reported by employers, banks, businesses, and others. This matching takes several months to complete.


Helpful Information


Tips For Next Year

You can avoid future problems by:

  • keeping accurate and full records
  • waiting until you get all of your income statements to file your tax return
  • checking the documents you get from your employer, mortgage company, bank, or other sources of income (W-2s, 1098s, 1099s, etc.) to make sure they're correct
  • including all your income on your tax return
  • following the instructions on how to report income, expenses, and deductions
  • filing an amended tax return for any information you receive after you've filed your return

Consider filing your taxes electronically. Filing online can help you avoid mistakes and find credits and deductions that you may qualify for. In many cases you can file for free. Learn more about how to file electronically.

Need Help?