Here are some of the key tax-related deadlines affecting businesses and other employers for 2017 Q3. 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. 2017 Q3 calendar

July 31

  • Report income tax withholding and FICA taxes for second quarter 2017 (Form 941), and pay any tax due. (See exception below.)
  • File a 2016 calendar-year retirement plan report (Form 5500 or Form 5500-EZ) or request an extension.

August 10

  • Report income tax withholding and FICA taxes for second quarter 2017 (Form 941), if you deposited on time and in full all of the associated taxes due.

September 15

  • If a calendar-year C corporation, pay the third installment of 2017 estimated income taxes.
  • If a calendar-year S corporation or partnership that filed an automatic six-month extension:
    • File a 2016 income tax return (Form 1120S, Form 1065 or Form 1065-B) and pay any tax, interest and penalties due.
    • Make contributions for 2016 to certain employer-sponsored retirement plans.

If you have more questions about deadlines for 2017 Q3 or want assistance with filing, we’d be happy to help.