What this letter is about
Call us so we can verify your identity and process your federal income tax return.
What you need to do
If you didn't file:
- Call us immediately to confirm that you may be a victim of tax-related identity theft.
If you filed:
- Call the IRS Identity Verification number on your letter.
- Have the following available when you call:
- The 4883C letter
- The income tax return referenced in the letter (Form 1040, 1040A, 1040-EZ, 1040-PR, 1040-NR, etc.). Note: A Form W-2 or Form 1099 is not a tax return.
- A previous year’s income tax return, other than the year in the letter (Form 1040, 1040A, 1040-EZ, 1040-PR, 1040-NR, etc.). Note: A Form W-2 or Form 1099 is not a tax return.
- Supporting documents that you filed with each year’s income tax return (Form W-2 or Form 1099, Schedules C or F, etc.).
If we can't verify your identity over the phone, we may ask you to schedule an appointment at your local IRS office to verify in person.
If we don't hear from you
- We may not be able to process your return, issue refunds, or apply overpayments to next year’s estimated tax.
The toll-free IRS Identity Verification number is for identity verification only. No other tax-related information, including refund status, is available.
You can find more information in Publication 5027, Identity Theft Information for Taxpayers (PDF).
Frequently asked questions
What happens after I call?
Once we verify your identity and confirm you submitted the tax return, we’ll continue processing your return. It will take approximately nine weeks to process.