All due dates assume that the date falls on a business day. If the due date falls on a holiday or weekend, the due date will be the next business day.
Key Dates in June 2025
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Corporations Corporations
June 15, 2025Corporations – Deposit the second installment of your estimated income tax. A worksheet, Form 1120-W, is available to help you estimate your tax for the year.
Employers Employers Employers
June 15, 2025Employers – Social Security, Medicare, and withheld income tax. If the monthly deposit rule applies, deposit the tax for payments in May.
Individuals Individuals
June 15, 2025Individuals – If you are a U.S. citizen or resident alien living and working (or on military duty) outside the United States and Puerto Rico, file Form 1040 and pay any tax, interest, and penalties due. Otherwise, see April 15. If you want additional time to file your return, file Form 4868 to obtain 4 additional months to file. Then file Form 1040 by October 15. However, if you are a participant in a combat zone you may be able to further extend the filing deadline.
Individuals Individuals
June 15, 2025Individuals – Make a payment of your current estimated tax if you are not paying your income tax for the year through withholding (or will not pay in enough tax that way). Use Form 1040-ES. This is the second installment date for estimated tax in current year.
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