Understanding Your CP303 Notice


What this notice is about

Someone used your personal information to access an IRS online service.

What you need to do

  • If you accessed this service, you don't need to do anything.
  • If you did not access this service, please immediately call the number on your notice.

Frequently asked questions

What happens if someone else used my personal information to access IRS online services?

Immediately call the number on your notice. Once we verify your identity, we'll disable your online account.


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