October
October 15:
Individuals file a 2024 income tax return (Form 1040) if an automatic six-month extension was requested.
Corporations file a 2024 calendar year income tax return (Form 1120) if an automatic six-month extension was requested.
October 31:
Non-farm employers file Form 941 for the third quarter to report wages paid, and social security, Medicare, and income tax withheld from wages, and compute employer matching social security payments.
December
December 15:
Corporations deposit the fourth installment of estimated tax for 2025.
To view the rest of the 2025 fall Partners articles please click here.
