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Tax Notice

September 16

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

  • If a calendar-year S corporation or partnership that filed an automatic six-month extension:

    • File a 2018 income tax return (Form 1120S, Form 1065 or Form 1065-B) and pay any tax, interest and penalties due.

    • Make contributions for 2018 to certain employer-sponsored retirement plans.