What to do if you discover a mistake on a previously filed tax return (and other reasons for filing an amended tax return).

Learn how to file an amended tax return using Form 1040-X. Understand the criteria and implications while tracking progress and avoiding mistakes.

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.

It's best to get your tax return right the first time, but mistakes happen. When they do, it may be necessary to file an amended return. An amended return is a… ...