Accountant with clients
Accountant with clients

September 2016 Tax and Compliance Deadlines

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The kids are back in school … so it’s time to get back to business. Get up to speed on key compliance dates and what you need to tell your clients.

In September, it is recommended that you:

  • Schedule appointments with individual clients for year-end tax planning sessions.
  • Remind individual clients on automatic six-month extensions of Oct. 17 filing deadline for 2015 returns.
  • File returns for calendar-year corporations and partnerships that obtained automatic extensions.

Key Compliance Dates:

  • Friday, Sept. 2 – Semiweekly depositors deposit FICA and withheld income tax on wages paid on Aug. 27-30.
  • Thursday, Sept. 8 – Semiweekly depositors deposit FICA and withheld income tax on wages paid on Aug. 31–Sept. 2.
  • Friday, Sept. 9 – Semiweekly depositors deposit FICA and withheld income tax on wages paid on Sept. 3-6.
  • Monday, Sept. 12 – Tipped employees who received $20 or more in tips during August report them to the employer on Form 4070.
  • Wednesday, Sept. 14 – Semiweekly depositors deposit FICA and withheld income tax on wages paid Sept. 7-9.
  • Thursday, Sept. 15 – Monthly depositors deposit FICA and withheld income tax for August. Individuals and calendar-year corporations pay the third installment of 2016 estimated tax. Calendar-year corporations file 2015 income tax return (Form 1120 for C corporations; 1120S for S corporations) if automatic six-month extension was obtained. Partnerships file 2015 Form 1065 if an automatic five-month extension was obtained.
  • Friday, Sept. 16 – Semiweekly depositors deposit FICA and withheld income tax on wages paid Sept. 10-13.
  • Wednesday, Sept. 21 – Semiweekly depositors deposit FICA and withheld income tax on wages paid Sept. 14-16.
  • Friday, Sept. 23 – Semiweekly depositors deposit FICA and withheld income tax on wages paid Sept. 17-20.
  • Wednesday, Sept. 28 – Semiweekly depositors deposit FICA and withheld income tax on wages paid Sept. 21-23.
  • Friday, Sept. 29 – Semiweekly depositors deposit FICA and withheld income tax on wages paid Sept. 24-27.


Intuit Resources:

As always, visit Intuit® ProConnect™ for more information and training resources.

Dorinda DeScherer

Dorinda DeScherer is an attorney specializing in tax and employment law. She is an honors' graduate of Barnard College of Columbia University and the University of Maryland School of Law. She is currently a principal with Editorial Resource Group, where she specializes in writing and editing professional publications. More from Dorinda DeScherer

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