Events - 15 Sep 23

Calendar-Year Corporations - Paying the third installment of 2023 estimated income taxes.

Calendar-Year Partnerships - Filing a 2022 income tax return (Form 1065 or Form 1065-B), if an automatic six-month extension was filed.

Calendar-Year S Corporations - Filing a 2022 income tax return (Form 1120-S) and paying any tax, interest and penalties due, if an automatic six-month extension [...]

Calendar-Year S Corporations - Making contributions for 2022 to certain employer-sponsored retirement plans, if an automatic six-month extension was filed.

Individuals - If you received $20 or more in tips during August, report them to your employer. You can use Form 4070.