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2021 Q4 tax calendar: Key deadlines for businesses and other employers

October 11, 2021
by Merline & Meacham, PA
Resources

Here are some of the key tax-related deadlines affecting businesses and other employers during the fourth quarter of 2021. 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 federally declared disaster areas. 

Friday, October 15

  • If a calendar-year C corporation that filed an automatic six-month extension:
    • File a 2020 income tax return (Form 1120) and pay any tax, interest and penalties due.
    • Make contributions for 2020 to certain employer-sponsored retirement plans.

Monday, November 1

  • Report income tax withholding and FICA taxes for third quarter 2021 (Form 941) and pay any tax due. (See exception below under “November 10.”)

Wednesday, November 10

  • Report income tax withholding and FICA taxes for third quarter 2021 (Form 941), if you deposited on time (and in full) all of the associated taxes due.

Wednesday, December 15

  • If a calendar-year C corporation, pay the fourth installment of 2021 estimated income taxes.
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    • Our Firm
    • Practice Areas
      • Business Entities
      • Charitable Planning
      • Employee Benefits/ERISA
      • Estate and Gift Taxes
      • Estate Planning
      • Income Tax Law
      • Mergers and Acquisitions
      • Non-Profit/Tax Exempt
      • Probate/Estate Admin.
      • Tax Controversies
      • Wills and Trusts
    • Attorneys
      • Robert E. August
      • Jonathan R. Colao
      • Phillip J. Martin
      • Keith G. Meacham
      • W. Verne McGough, Jr.
      • Andrew D. Merline
      • David A. Merline, Jr.
      • Marie Monroe
      • J. Aaron Nelson, Jr.
      • Douglas B. O’Neal
      • David M. Thompson
    • Firm News
    • Resources