IRS Letter 5071C
Potential Identity Theft — Online Identity Verification Required
Your refund is on hold. The IRS needs to verify you filed this return, not a fraudster.
Deadline
Respond as quickly as possible — your refund is held until verification is complete
There is no hard deadline on 5071C, but your refund remains frozen for every day you delay. The sooner you verify, the sooner you receive your refund.
Respond promptly to protect your options and avoid escalation.
What IRS Letter 5071C Means
Letter 5071C means the IRS's identity theft detection filters flagged your tax return as potentially fraudulent. This does not mean you did anything wrong — it means the IRS wants to confirm that you (and not a criminal using your Social Security number) filed the return.
Identity theft tax fraud is a significant problem. Criminals file fraudulent returns using stolen SSNs to collect refunds. The IRS's fraud detection system sometimes flags legitimate returns that share characteristics with fraudulent filings.
The 5071C verification process is handled online at ID.me. You will need to verify your identity using government-issued ID and may be asked to take a selfie or answer knowledge-based questions. Once verified, your return will be processed and any refund due will be released.
What the IRS Can Do If You Don't Respond
- Hold your entire refund until identity verification is complete
- Delay processing of your tax return for months if verification is not completed
- Mark your SSN for enhanced fraud monitoring in future years
What You Should Do Right Now
- 1
Go to ID.me and complete the identity verification process — have your government-issued ID ready
- 2
If you filed the return: verify your identity to release your refund
- 3
If you did NOT file the return: call the IRS immediately at the number on the letter — your SSN may have been used for fraud
- 4
After verification, allow 6–9 weeks for refund processing
- 5
Consider placing an Identity Protection PIN (IP PIN) on your account to prevent future fraud
Resolution Options Available to You
Frequently Asked Questions About IRS Letter 5071C
Does 5071C mean someone stole my identity?
Not necessarily. It means the IRS wants to confirm you are who you say you are before releasing a refund. Sometimes the flag is triggered by innocent patterns. If you filed the return, verify your identity and move on.
How long does identity verification take?
The online process at ID.me takes about 15–30 minutes if you have your documents ready. After verification, allow 6–9 weeks for the IRS to finish processing your return.
What if I can't complete the online verification?
Letter 5071C also provides a phone number and, in some cases, an in-person option at an IRS Taxpayer Assistance Center. If online verification fails, call the IRS using the number on the letter.
Professional References
IRC: IRC §6503(a) — Identity Theft Related Suspension of Limitations
IRM: IRM 25.23 — Identity Protection
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