Here are some important tax-related deadlines for businesses and employers in Q3 of 2024. Please note that this list does not include all of the deadlines, and there may be additional deadlines relevant to your situation. Contact us to make sure you're meeting all necessary deadlines and to get more information on filing requirements.
July 31
Report income tax withholding and FICA taxes for second quarter 2024 (Form 941) and pay any taxes due. (See the exception under August 12)
File a 2023 calendar-year retirement plan report (Form 5500 or Form 5500-EZ) or request an extension.
August 12
Report income tax withholding and FICA taxes for second quarter 2024 (Form 941), if you deposited all the associated taxes on time and in full.
September 16
For a C corporation calendar-year, pay the third installment of 2024 estimated income taxes.
For a S corporation or partnership that filed an automatic six-month extension:
File a 2023 income tax return (Form 1120-S, Form 1065 or Form 1065-B) and pay any tax, interest and penalties due.
Make 2023 contributions to certain employer-sponsored retirement plans.
Employers should deposit Social Security, Medicare and withheld income taxes for August, if the monthly deposit rule applies. They should also deposit nonpayroll withheld income tax for August, if the monthly deposit rule applies.