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2019 Q3 tax calendar: Key deadlines

Here are some of the key tax-related deadlines affecting businesses and other employers during the third 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 make sure you’re meeting all applicable deadlines and to learn more about the filing requirements.

July 31

  • Report income tax withholding and FICA taxes for the second quarter of 2019 (Form 941) and pay any tax due. (See the exception below, under “August 12.”)
  • File a 2018 calendar-year retirement plan report (Form 5500 or Form 5500-EZ) or request an extension.
  • Give Kelly CPA the information needed to complete your extended S Corporation or Partnership tax return – see below for filing due date!

September 1

  • Provide Kelly CPA the information needed to complete your extended individual tax or calendar year corporate tax return.

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 or Form 1065) and pay any interest and penalties due.
    • Make contributions for 2018 to certain employer-sponsored retirement plans.
  • Third quarter estimated tax payment due for individuals.  Let us know if you need help!