2022 Q4 tax calendar: Key deadlines for businesses and other employers

Monday, October 3

The last day you can initially set up a SIMPLE IRA plan, provided you (or any predecessor employer) didn’t previously maintain a SIMPLE IRA plan. If you’re a new employer that comes into existence after October 1 of the year, you can establish a SIMPLE IRA plan as soon as administratively feasible after your business comes into existence.

Monday, October 17

• If a calendar-year C corporation that filed an automatic six-month extension:
  • File a 2021 income tax return (Form 1120) and pay any tax, interest and penalties due.
  • Make contributions for 2021 to certain employer-sponsored retirement plans.

Monday, October 31

• Report income tax withholding and FICA taxes for third quarter 2022 (Form 941) and pay any tax due. (See exception below under “November 10.”)

Thursday, November 10

• Report income tax withholding and FICA taxes for third quarter 2022 (Form 941), if you deposited on time (and in full) all of the associated taxes due.

Thursday, December 15

• If a calendar-year C corporation, pay the fourth installment of 2022 estimated income taxes.

Contact us if you’d like more information about the filing requirements and to ensure you’re meeting all applicable deadlines.

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