Here are some of the key tax-related deadlines affecting businesses and other employers during the fourth quarter of 2019. 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.

October 15

  • If a calendar-year C corporation that filed an automatic six-month extension:
    • File a 2018 income tax return (Form 1120) and pay any tax, interest and penalties due.
    • Make contributions for 2018 to certain employer-sponsored retirement plans.

October 31

  • Report income tax withholding and FICA taxes for third quarter 2019 (Form 941) and pay any tax due. (See exception below under “November 12.”)

November 12

  • Report income tax withholding and FICA taxes for third quarter 2019 (Form 941), if you deposited on time (and in full) all of the associated taxes due.

December 16

  • If a calendar-year C corporation, pay the fourth installment of 2019 estimated income taxes.

© 2019



Established in 1971, McMahon & Associates has been serving Northwest Indiana and Chicago’s South Suburbs to help them grow their business. McMahon & Associates is locally-owned and offers a unique blend of big firm services and small firm care. From advanced tax expertise, IRS representation, audits, business valuations, estate planning and succession planning to basic bookkeeping and payroll services, clients find the services they need for every stage of their business or every stage of life.

10010 Calumet Avenue Munster, IN 46321

(219) 924.3450

(219) 924.1640

info@mcmahonpc.com

Mcmahon & Associates

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