Here are some of the key tax-related deadlines affecting businesses and other employers during the third quarter of 2023. Keep in mind that this list isn’t all-inclusive, so there may be additional deadlines that apply to you. Contact us to ensure you’re meeting all applicable deadlines and to learn more about the filing requirements.

July 31- Report income tax withholding and FICA taxes for second quarter 2023 (Form 941) and pay any tax due. (See the exception below, under “August 10.”) File a 2022 calendar-year retirement plan report (Form 5500 or Form 5500-EZ) or request an extension.

August 10-Report income tax withholding and FICA taxes for second quarter 2023 (Form 941), if you deposited on time and in full all of the associated taxes due.

September 15-If a calendar-year C corporation, pay the third installment of 2023 estimated income taxes. If a calendar-year S corporation or partnership that filed an automatic six-month extension: File a 2022 income tax return (Form 1120-S, Form 1065, or Form 1065-B) and pay any tax, interest, and penalties due. Make contributions for 2022 to certain employer-sponsored retirement plans. © 2023