November 10

Individuals: Reporting October tip income, $20 or more, to employers (Form 4070).

Employers: Reporting income tax withholding and FICA taxes for third quarter 2025 (Form 941), if you deposited on time and in full all of the associated taxes due.

November 15

Exempt Organizations: Filing a 2024 calendar-year information return (Form 990, Form 990-EZ or Form 990-PF) and paying any tax, interest and penalties due, if a six-month extension was previously filed.