You may receive a Letter 4883C from the IRS asking you to verify your identity within 30 days.
Follow the letter’s instructions to verify your identity.
Call the toll-free number provided in the letter. You must have the letter with you when you call the Taxpayer Protection Program.
Have a copy of your prior-year tax return, if you filed one, to help verify your identity.
Verify your identity. If you are unable to verify your identity with the customer service representative, you may be asked to visit an IRS Taxpayer Assistance Center in person. https://www.irs.gov/help/contact-your-local-irs-office You should plan on providing picture identification plus the letter and a copy of the affected tax return if you did file one.
