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For you and your family
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Forms and Instructions

Individual Tax Return
Itemized Deductions
Application for Automatic Extension of Time
Request for Taxpayer Identification Number (TIN) and Certification

 

Single and Joint Filers With No Dependents
Employer's Quarterly Federal Tax Return
Employee's Withholding Allowance Certificate
Request for Transcript of Tax Return

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Amend/Fix Return
Apply for Power of Attorney
Apply for an ITIN
Rules Governing Practice before IRS

About Form 1040-X, Amended U.S. Individual Income Tax Return

File Form 1040-X to do the following.

  • Correct Forms 1040, 1040-A, 1040-EZ, 1040-NR, or 1040-NR EZ.
  • Make certain elections after the prescribed deadline.
  • Change amounts previously adjusted by the IRS.
  • Make a claim for a carryback due to a loss or unused credit.

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Comment of Form 1040-X

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