Get step-by-step instructions for how to amend a tax return using Form 1040-X, including deadlines and tips for tracking the status with the IRS.

To amend your return, you use Form 1040-X, also known as an Amended U.S. Individual Tax Return. Here is how to correct amounts on your tax return and when to file your 1040-X.

The IRS’s instruction booklet for Form 1040-X provides the mailing address to use based on your location. Use certified mail or another form of tracked shipping to confirm delivery.

The IRS has also reminded those who may be entitled to the COVID-era Recovery Rebate Credit in 2020 that time is running out to file a tax return and claim their money.