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File your tax return - Internal Revenue Service
Business taxes - Internal Revenue Service
About Form 1040, U.S. Individual Income Tax Return
Check if you need to file a tax return | Internal Revenue Service
Here’s who needs to file a tax return in 2024
Forms & instructions | Internal Revenue Service
Annual filing and forms - Internal Revenue Service
About Form 945, Annual Return of Withheld Federal Income Tax
About Form 1120, U.S. Corporation Income Tax Return
Prepare to file in 2025: Get Ready for tax season with key updates ...