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5071C

Identity Verification

Complete guide for tax professionals on responding to IRS 5071C notices, including deadlines, required documentation, and response strategies.

Response Deadline

30 days

IRS: 1-800-829-1040View on IRS.gov

What Triggers This IRS Notice

  • 1IRS needs to verify your identity before processing return
  • 2Potential identity theft detected
  • 3Unusual filing pattern identified

What the IRS Is Claiming

  • IRS received a tax return with your information
  • Identity verification is required before processing
  • You can verify online, by phone, or in person

Key Deadlines and Response Timelines

You should verify your identity as soon as possible. Your return will not be processed until identity is confirmed.

What Happens If You Do Not Respond

  • Return will not be processed until verified
  • Refund will be held
  • If you didn't file the return, identity theft has occurred

Documentation Commonly Required

The 5071C letter
The tax return for the year in question
A prior year tax return (if available)
Government-issued photo ID

When IRS Information Is Incorrect

  • 1
    If you didn't file the return, report identity theft immediately
  • 2
    File Form 14039 Identity Theft Affidavit
  • 3
    Contact IRS Identity Protection Specialized Unit

How Tax Professionals Typically Respond

  1. 1

    Verify online at idverify.irs.gov (fastest method)

  2. 2

    Call the number on the letter if online doesn't work

  3. 3

    Visit local IRS office for in-person verification

  4. 4

    If fraudulent return: report identity theft immediately

IRS Notice Copilot

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