---
title: Prepare Your Business With These Key Q3 2023 Tax Deadlines
description: Here are some of the key tax-related deadlines affecting businesses and other employers during Q3 of 2023.
---

[Insights and Resources | CPA Accounting Firm | Barnes Wendling CPAs ](https://blog.barneswendling.com/insights)

# [Prepare Your Business With These Key Q3 2023 Tax Deadlines](https://blog.barneswendling.com/insights/2023-q3-tax-calendar-key-deadlines-for-businesses-and-other-employers)

 Written by [Barnes Wendling CPAs](https://blog.barneswendling.com/insights/author/barnes-wendling-cpas) | 6/19/23 11:51 AM

 

### Prepare Your Business with These Q3 2023 Tax Deadlines

Here are some of the key tax-related deadlines affecting businesses and other employers during the third quarter of 2023. Keep in mind that this list isn’t all-inclusive, so there may be additional deadlines that apply to you. [Contact us](https://blog.barneswendling.com/tax-services) to ensure you’re meeting all applicable deadlines and to learn more about the filing requirements.

### Q3 2023 Tax Deadlines:

### Monday, July 31 

- Report income tax withholding and FICA taxes for second quarter 2023 ([Form 941](https://www.irs.gov/pub/irs-pdf/f941.pdf)) and pay any tax due. (See the exception below, under “August 10.”)
- File a 2022 calendar-year retirement plan report ([Form 5500](https://www.dol.gov/sites/dolgov/files/EBSA/employers-and-advisers/plan-administration-and-compliance/reporting-and-filing/form-5500/2022-form-5500.pdf) or [Form 5500-EZ](https://www.irs.gov/pub/irs-pdf/f5500ez.pdf)) or request an extension.

### Thursday, August 10 

- Report income tax withholding and FICA taxes for second quarter 2023 (Form 941), if you deposited on time and in full all of the associated taxes due.

### Friday, September 15

- If a calendar-year C corporation, pay the third installment of 2023 estimated income taxes.
- If a calendar-year S corporation or partnership that filed an automatic six-month extension:
  
    - File a 2022 income tax return ([Form 1120-S](https://www.irs.gov/pub/irs-pdf/f1120s.pdf), [Form 1065](https://www.irs.gov/pub/irs-pdf/f1065.pdf) or [Form 1065-B](https://www.irs.gov/pub/irs-pdf/f1065sb1.pdf)) and pay any tax, interest and penalties due.
    - Make contributions for 2022 to certain employer-sponsored retirement plans.

If you have questions about filing requirements, [contact us](https://blog.barneswendling.com/tax-services). We can ensure you’re meeting all applicable deadlines.

For more on preparing your business for 2023 and tax planning for the future, listen to our tax planning podcast [here](https://blog.barneswendling.com/podcasts).

© 2023

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