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

Electronic filing now available for Form 1040-X

You can now file Form 1040-X electronically with tax filing software to amend your Form 1040, 1040-SR, or 1040-NR for the current or two prior tax periods.

Paper filing is still an option for Form 1040-X.

File Form 1040-X to:

  • Correct Form 1040, 1040-SR, or 1040-NR (or older filings of Form 1040-A or 1040-EZ).
  • Make certain elections after the deadline.
  • Change amounts previously adjusted by the IRS.
  • Make a claim for a carryback due to a loss or unused credit.

Current revision

Recent developments

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