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 to correct the error or change in tax status.

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

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

For background information as well as information on related topics, see our discussion of Federal Income Tax Obligations.