

October
Day
10 Employees Who Work for Tips – If you received $20 or more in tips during September, report them to your employer. See Pub. 531 for more information on how to report tips to your employer.
15 Corporations – File a 2024 calendar year income tax return (Form 1120) and pay any tax, interest, and penalties due. This due date applies only if you timely requested an automatic 6-month extension. Otherwise, see Corporations under April 15, earlier.
15 Individuals – If you have an automatic 6-month extension to file your income tax return for 2024, file Form 1040 or Form 1040-SR and pay any tax, interest, and penalties due.
November
Day
10 Employees Who Work for Tips – If you received $20 or more in tips during October, report them to your employer. See Pub. 531 for more information on how to report tips to your employer.
December
Day
10 Employees Who Work for Tips – If you received $20 or more in tips during November, report them to your employer. See Pub. 531 for more information on how to report tips to your employer.
15 Corporations – Deposit the fourth installment of estimated income tax for 2025.
