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July 18, 2023

2023 Q3 Tax Calendar: Key Deadlines for Businesses and Other Employers


For business owners and other employers, it’s essential to keep up with important tax deadlines, even in the summer months. The following is a list of key tax-related deadlines for the third quarter of 2023. 

Deadlines

July 31st 

  • Report income tax withholdings and FICA taxes for the second quarter of 2023 using Form 941, and pay any taxes owed. (Refer to the exception below, under “August 10th.”)
  • Submit a 2022 calendar-year retirement plan report using Form 5500 or Form 5500-EZ, or request an extension.

August 10th 

  • Declare income tax withholdings and FICA taxes for the second quarter of 2023 using Form 941, if you deposited on time and in full all of the associated taxes owed.

September 15th

  • If a calendar-year C corporation, pay the third installment of your 2023 estimated income taxes.
  • If a calendar-year S corporation or partnership that filed an automatic six-month extension:
    • Submit a 2022 income tax return using Form 1120-S, Form 1065, or Form 1065-B, then pay any tax, interest, and penalties due.
    • Make contributions for 2022 to specific employer-sponsored retirement plans.

It’s important to note that this list isn’t all-inclusive, so there might be some additional deadlines that apply to your business. You’ll need to look into specific requirements to make sure you have everything you need.

Have questions? Smolin can help.

If you’re unsure about what third-quarter taxes your business needs to pay this summer, or you need some assistance filing with the IRS, contact the team of professionals at Smolin and we’ll work to ensure you’re meeting all the deadlines that apply to your business.

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