September 2021 tax and compliance deadlines

Now that school is back in session and you’ve taken your summer vacation, it’s a great time to reconnect with your clients and communicate information they can use in their businesses. Here are the important tax and compliance deadlines for September 2021.

In September, it’s recommended that you:

• Schedule appointments with individual clients for year-end tax planning sessions.
• Remind individual clients and C corporations of extended October 15 filing deadline for 2020 returns.
• File returns for calendar-year S corporations and partnerships that obtained automatic extensions.

Key Compliance Dates:

Wednesday, September 1 – Semiweekly depositors deposit FICA and withheld income tax on wages paid on August 25–27.

Friday, September 3 – Semiweekly depositors deposit FICA and withheld income tax on wages paid on August 28–31.

Thursday, September 9 – Semiweekly depositors deposit FICA and withheld income tax on wages paid on September 1–3.

Friday, September 10:

• Semiweekly depositors deposit FICA and withheld income tax on wages paid on September 4–7.
• Tipped employees who received $20 or more in tips during August report them to the employer on Form 4070, Employees Report of Tips to Employer.

Wednesday, September 15:

• Monthly depositors deposit FICA and withheld income tax for August.
• Semiweekly depositors deposit FICA and withheld income tax on wages paid on September 8–10.
• Individuals and calendar-year corporations pay third installment of 2020 estimated tax.
• Calendar-year S corporations file 2020 income tax return (Form 1120S, U.S. Tax Return for an S Corporation) if an automatic extension was obtained.
• Partnerships file 2020 Form 1065, U.S. Return of Partnership Income, if automatic extension was obtained.

Friday, September 17 – Semiweekly depositors deposit FICA and withheld income tax on wages paid on September 11–14.

Wednesday, September 22 – Semiweekly depositors deposit FICA and withheld income tax on wages paid on September 15–17.

Friday, September 24 – Semiweekly depositors deposit FICA and withheld income tax on wages paid on September 18–21.

Wednesday, September 29 – Semiweekly depositors deposit FICA and withheld income tax on wages paid on September 22–24.

Intuit Accountants Resources:

• The September 2021 calendar with filing deadlines and reminders for you and your clients.
• Key tax facts for 2020 and Key tax facts for 2021
• State tax deadlines

As always, visit Intuit Accountants for more information and training resources.

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