Here's what you need to know about Form 1040: the mother of all tax forms. Many, or all, of the products featured on this page are from our advertising partners who compensate us when you take certain ...

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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 ...