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2024 Q4 Tax Calendar: Important Deadlines for Businesses and Employers

As the fourth quarter of 2024 approaches, here are some key tax deadlines that may impact businesses and employers. This list is not exhaustive, so additional deadlines might apply to your situation. Reach out to us to ensure you meet all applicable deadlines and to discuss your specific filing requirements.

Note: Tax-filing and payment deadlines may be postponed for taxpayers in federally declared disaster areas.

Tuesday, October 1

  • SIMPLE IRA Plan Setup: This is the last day to establish a SIMPLE IRA plan if you (or a predecessor employer) have not previously maintained one. New employers starting after October 1 can set up a SIMPLE IRA plan as soon as possible after the business is established.

Tuesday, October 15

  • C Corporation Filing: Calendar-year C corporations that filed for a six-month extension must:
    • File the 2023 income tax return (Form 1120) and pay any taxes, interest, and penalties due.
    • Make 2023 contributions to applicable employer-sponsored retirement plans.

Thursday, October 31

  • Payroll Taxes: Report income tax withholding and FICA taxes for the third quarter of 2024 (Form 941) and pay any taxes owed.
    • (See the exception below for “November 12.”)

Tuesday, November 12

  • Payroll Taxes (If Deposited on Time): Report third-quarter 2024 income tax withholding and FICA taxes (Form 941), if all related taxes were deposited on time and in full.

Monday, December 16

  • Estimated Taxes: Calendar-year C corporations must pay the fourth installment of 2024 estimated income taxes.

For further details or assistance with your filing requirements, contact us to ensure you’re staying on track with all deadlines.

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CHRISTINA IMPERIOLI

Supervisor, CPA

Christina Imperioli is a Supervisor at Accavallo & Company, LLC, where she specializes in the preparation and review of individual and business tax returns across a variety of industries. With a focus on accuracy, client service, and technical expertise, she plays a key role in helping clients navigate complex tax matters.

She began her career as a Staff Accountant at The Innovative CPA Group, quickly rising through the ranks to Senior Accountant and ultimately Supervisor, demonstrating a strong commitment to professional growth and leadership.

Christina is a Certified Public Accountant and an active member of both the Connecticut Society of CPAs (CTCPA) and the American Institute of Certified Public Accountants (AICPA). She holds a Bachelor of Business Administration in Financial Accounting from Western Connecticut State University.

Throughout her career, she has worked with clients in the real estate, construction, and retail sectors, bringing valuable insight and industry-specific knowledge to every engagement.

Outside of work, she enjoys traveling with her husband and son, spending time with her three dogs—two rescues named Cole and Indigo, and a Brussels Griffon named Louie—and exploring local bookstores. Christina is a passionate reader and podcast enthusiast, she often listens to new episodes during her daily commute.

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Sherri Fisher is a Tax Manager at Accavallo & Company, LLC.  Sherri has longstanding expertise in Trust and Estate Taxation, Eldercare, and Estate planning. Sherri appreciates the relationships she has built with estate planning attorneys and advisors, to provide a team approach to assisting her clients. Sherri also has seasoned experience in business and individual taxation and is partial to assisting start-ups in developing overall accounting and operating plans.

Prior to joining Accavallo & Company, LLC, Sherri was a manager in a large firm, servicing high net worth trust clients, business, and personal clients. She was also a Partner in a large bookkeeping firm, which specialized in cloud accounting systems for regional and national companies. Sherri led a team in assisting clients to organize their accounting systems.  She is a graduate of Florida Atlantic University with a B.S. degree in Accounting.    

Sherri’s experience includes working with companies and organizations in a variety of industries including:

  • Investment Trusts

  • DAPT and Family Investment Partnerships

  • Estate and Probate Administration

  • E-Commerce

  • Manufacturing

  • Construction

  • Real Estate Investment

  • Marketing and Service-based industries

In addition to her professional accomplishments, Sherri is an Intuit Advanced Pro Advisor, Intuit Future Firm Advisory Board member, member of the Valley WIN Network, and proudly served as past Connecticut Public School liaison for the Yale Tommy Fund for Childhood Cancer. Sherri enjoys time with her family, Cleveland sports, thrifting and gardening.