Information about Form 1040, U.S. Individual Income Tax Return, including recent updates, related forms and instructions on how to file. Form 1040 is used by citizens or residents of the United States …

Employer's Quarterly Federal Tax Return. Employers who withhold income taxes, social security tax, or Medicare tax from employee's paychecks or who must pay the employer's portion of social security …

2024 Form 10401040 Form 1040 (2024)

Oct 16, 2025 · Try our Prior year forms & publications search to quickly find and download prior year forms, instructions and publications. To get started, enter keywords into the box below and click Search.

2023 Form 1040Form 1040 (2023)

Apr 15, 2025 · Filing Form 1040 federal income tax return—deadline, free filing options, how to file, extensions, transcripts, IP PIN.

Dec 19, 2025 · Get step-by-step guidance and resources to help you file a timely, accurate federal income tax return.

If you have wages, file Form 1040, U.S. Individual Income Tax Return or Form 1040-SR, U.S. Income Tax Return for Seniors. If you have a business or side income, file Form 1040 with a Schedule C.

Information about Schedule C (Form 1040), Profit or Loss from Business, used to report income or loss from a business operated or profession practiced as a sole proprietor; includes recent updates, …

Information about Form 1040-X, Amended U.S. Individual Income Tax Return, including recent updates, related forms and instructions on how to file. Use Form 1040-X to file an amended tax return.