Here are some of the key tax-related deadlines affecting businesses and other employers during the fourth quarter of 2024. 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.

Note: Certain tax-filing and tax-payment deadlines may be postponed for taxpayers who reside in or have a business in a federally declared disaster area.

Tuesday, October 1

• 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.

Tuesday, October 15

• If a calendar-year C corporation that filed an automatic six-month extension:
  • File a 2023 income tax return (Form 1120) and pay any tax, interest and penalties due.
  • Make contributions for 2023 to certain employer-sponsored retirement plans.

Thursday, October 31

• Report income tax withholding and FICA taxes for third quarter 2024 (Form 941) and pay any tax due. (See exception below under “November 12.”)

Tuesday, November 12

• Report income tax withholding and FICA taxes for third quarter 2024 (Form 941), if you deposited on time (and in full) all the associated taxes due.

Monday, December 16

• If a calendar-year C corporation, pay the fourth installment of 2024 estimated income taxes.

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

© 2024

Polk & Associates

Large enough to serve a diverse clientele, yet small enough to maintain a hands-on approach, we are committed to maintaining the highest accounting and ethical standards with continuous education, extensive research resources, and excellent quality control.

Polk and Associates is a member of the Michigan Association of Certified Public Accountants, and the American Institute of Certified Public Accountants. The firm participates in the AICPA Peer Review Program, and has always received the highest level of award for its audit practice and quality control.