---
title: "2017 Q3 Tax Calendar: Key Deadlines For Businesses And Other Employers - Brown Edwards"
description: Here are some of the key tax-related deadlines affecting businesses and other employers during the third quarter of 2017. Keep in mind that this list isn’t all-inclusive, so there may be additional deadlines that apply to you. Contact us to […]
---

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# [2017 Q3 Tax Calendar: Key Deadlines For Businesses And Other Employers - Brown Edwards](https://blog.becpas.com/2017-q3-tax-calendar-key-deadlines-businesses-employers)

 Written by [Laura Sprouse](https://blog.becpas.com/author/laura-sprouse) | Jun 20, 2017 4:06:48 PM

Here are some of the key tax-related deadlines affecting businesses and other employers during the third quarter of 2017. 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.

**July 31**

- Report income tax withholding and FICA taxes for third 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 third 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.

*© 2017*

[View full post](https://blog.becpas.com/2017-q3-tax-calendar-key-deadlines-businesses-employers)

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