Yes. Please see the following instructions for proving your identity to the IRS.
If you received IRS Letter 5071C, follow the instructions from IRS below
If you did file
- Call the toll-free IRS Identity Verification telephone number at 800-830-5084.
- Have a copy of the 5071C letter you received, a copy of your prior year tax return (if you filed one) and your most recently filed tax return (if you filed one), as well as any supporting documentation for each year's return (such as Forms W-2, 1099, 1040 Schedule C, or 1040 Schedule F) when you call.
We’ll ask you a series of questions about your identity and tax return history.
If we are unable to verify your identity over the phone or online, we may ask you to schedule an appointment at your local IRS office to verify your identity in person.
The toll-free number is for identity verification only. No other tax-related information, including refund status, is available.
https://www.irs.gov/individuals/understanding-your-5071c-letter
