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

If for any reason you need to amend a previously filed tax return, you must use Form 1040X. Use this form if you reported incorrect information on your original return that affects your tax liability.

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

Instructions for Form 1040X, Amended U.S. Individual Income Tax Return

The files are in Adobe portable document format (PDF), which requires the use of Adobe Acrobat Reader.

Adobe Acrobat Reader is available, without charge, at the Adobe website.

For more information, see our discussion on paying your taxes.

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