Why the IRS Verifies Identity
Identity theft in the tax system is a massive problem. Criminals file fraudulent returns using stolen Social Security numbers, claim refunds, and disappear. The IRS has responded by implementing identity verification procedures that delay refunds until the legitimate taxpayer confirms their identity.
The Main Identity Verification Letters
Letter 5071C, Letter 4883C, Letter 5747C, Letter 488C, and Letter 507C are the most common identity verification letters. Each one requires you to verify your identity through a specific channel — online, by phone, or in person at a Taxpayer Assistance Center.
Letter 5071C directs you to verify online through the IRS Identity Verification portal or by calling a specific number. Letter 5747C requires you to verify in person at a local IRS office, which is more burdensome but sometimes necessary when online verification fails.
What Happens If You Ignore Them
If you do not complete identity verification, the IRS will not process your return. Your refund will remain frozen indefinitely. The IRS will not send your refund until you prove you are who you say you are. There is no way around this. No amount of calling, writing, or complaining will release the refund without completing the verification process.
Common Problems
The online verification system requires you to answer knowledge-based questions about your financial history. Many people fail this process because the questions are based on credit report data that may be outdated or inaccurate. If you fail online verification, you may need to verify by phone or in person.
In-person verification at a Taxpayer Assistance Center requires an appointment at most locations. Bring your photo ID, Social Security card, the letter you received, and the tax return in question. Without all of these documents, you will be turned away.
Identity Theft vs. Identity Verification
Do not confuse identity verification with identity theft notification. A verification letter means the IRS is not sure who filed the return and wants to confirm it was you. An identity theft letter (CP01 series) means the IRS has already determined that someone filed a fraudulent return using your information and is taking steps to protect your account.
Identity verification letters are frustrating but protective. They exist because someone tried to steal your money. Complete the process promptly and your refund will follow.