What Is Form 1040-X, Amended U.S. Individual Income Tax Return? The 1040-X, Amended U.S. Individual U.S. Income Tax Return is a form used by taxpayers who need to ...
How do I amend my federal tax return? Form 1040X is used to amend a previously filed federal income tax return. Check the box at the top of the form that indicates which year you're changing. Because ...