IRS LTR5071C Identity Verification Explained
An LTR5071C letter from the IRS asks you to verify your identity before the agency will process your tax return. The IRS sends this letter when it cannot confirm that the return was actually filed by you. This is a protective measure against identity theft, but the letter can feel alarming. Completing the verification promptly will get your return back on track.
This guide is general educational information, not professional advice. If the document involves a serious deadline, lawsuit, tax issue, health decision, or major financial consequence, get qualified help.
What this document usually means
The IRS flagged your return because something about it triggered an identity verification check. This could be because a return was filed using your Social Security number that did not match your filing history, or because multiple returns were filed under your number.
The letter asks you to verify your identity either online through the IRS Identity Verification Service or by calling a specific phone number. Your return will not be processed until verification is complete.
The first things to check
First, confirm that the letter is genuine. The IRS will never send an email or text asking you to verify identity. The LTR5071C is a physical letter sent by mail. It will include an IRS logo, your partial Social Security number, and specific instructions.
If you did file a tax return for the year mentioned, proceed with verification. If you did not file a return and someone may have used your identity, this is a sign of identity theft. Report it to the IRS immediately.
Have your prior-year return, current-year return, and identification documents ready before starting the verification process.
Common reasons this letter feels confusing
The biggest concern is whether the letter itself is a scam. Identity verification scams are common, so the IRS has to overcome legitimate skepticism. The letter provides an IRS.gov URL and a phone number that can be independently verified through the IRS website.
People are also confused about why the IRS questions their identity when they have been filing for years. The IRS uses algorithms that may flag returns for various reasons, including changes in filing pattern, income level, or address.
What to do before you pay or respond
Verify the letter is authentic by checking the IRS.gov website for information about LTR5071C. Do not click links in emails or texts claiming to be from the IRS.
Complete the online verification at the IRS Identity Verification Service portal if possible. This is typically the fastest method. You will need to answer questions about your tax history and personal information.
If you cannot verify online, call the number on the letter. Be prepared for wait times. Have your tax returns, W-2s, and identification ready.
If you did not file the return in question, report identity theft to the IRS using Form 14039 and file a police report.
How Letter Lens can help
Upload your LTR5071C to Letter Lens for a clear explanation of what the IRS is asking, the verification methods available, and the steps to complete the process. Letter Lens can help you understand the letter before you navigate the IRS verification system.
Letter Lens does not verify your identity on your behalf. That must be done directly with the IRS. But it helps you approach the process with clarity and confidence.
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