Understanding your CP51C notice

 

What this notice is about

We computed the tax on your Form 1040 or 1040-SR return. Your account balance is zero.


What you need to do

  • Read your notice carefully. It explains how we calculated your tax return.
  • You don't need to do anything if you agree with our calculations.
  • Contact us if you disagree with the amount of tax we computed.

Frequently asked questions

What should I do if I disagree with the notice? (updated Dec. 6, 2024)

You can write or call using our contact information found on your notice. If you write us, be sure to explain why you disagree and provide any information you have (such as cancelled checks, amended return, etc.) or have the paperwork ready if you call.


Helpful information


Tips for next time you file

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

Need help?