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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Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Investopedia / Mira Norian Form 1040 is the primary form U.S. taxpayers use to file their ...