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.

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