Key sections of Form 1040 Different versions of Form 1040 Filing options for ... Form 1040 is the main form that U.S. taxpayers use to file an individual income tax return with the Internal ...
you can correct it by filing an amended tax return. The form you must file to amend your return is 1040-X, the Amended U.S. Individual Income Tax Return. Up until August 2020, you had to print a ...