Understanding Your 4883C Letter
This letter tells you that the IRS needs more information to verify your identity in order to process your tax return accurately. The contact information below is only for taxpayers who received Letter 4883C.
Why are we contacting you?
We received your federal income tax return; however, we need more information to verify your identity in order to process it. The letter you received provides a toll-free IRS Identity Verification telephone number to call.
This contact information is only for taxpayers who received Letter 4883C. The toll-free number is for identity verification only. No other tax-related information, including refund status, is available.
What is involved in this process?
We will continue processing your tax return once we verify your identity and confirm that you submitted the return. If you did file the return, please know it will take approximately nine weeks to process it once you verify your identity.
What should you do?
Please call the toll-free IRS Identity Verification telephone number, 1-800-830-5084. You will need to have a copy of your prior year tax return and your most recently filed tax return. The toll-free IRS Identity Verification telephone number is available for you to call even if you haven't filed a tax return for this year.