You can amend e-filed returns if they've been accepted; paper-filed returns may be amended once they've been mailed.
If your e-file is still pending, you won't be able to make changes until the IRS either accepts or rejects it. Don't know your e-file status? Here's how to look it up.
Select your tax year for amending instructions:
IRS Form 1040-X (amend your return) will be ready on March 25, 2021. Sign up for email notification and we'll let you know when the most current form is available.
When you're ready to amend, find your situation below and follow the instructions.
TurboTax Online
TurboTax CD/Download
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