September 2017 Tax and Compliance Deadlines

Tax Law and News
(Last Modified: ) /
Section 529 plans

Now that it’s September, the kids are back in school and there’s a hint of fall in the air. Welcome to your monthly summary of important tax and compliance deadlines. Here’s a list for your review.

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. 16 filing deadline for 2016 returns.
  • File returns for calendar-year corporations and partnerships that obtained automatic extensions. 

Key Compliance Dates:

Friday, Sept. 1 – Semiweekly depositors deposit FICA and withheld income tax on wages paid on Aug. 26-29.

Thursday, Sept. 7 – Semiweekly depositors deposit FICA and withheld income tax on wages paid on Aug. 30-Sept. 1.

Friday, Sept. 8 – Semiweekly depositors deposit FICA and withheld income tax on wages paid on Sept. 2-5.

Monday, Sept. 11 – Tipped employees who received $20 or more in tips during August report them to the employer on Form 4070.

Wednesday, Sept. 13 – Semiweekly depositors deposit FICA and withheld income tax on wages paid on Sept. 6-8.

Friday, Sept. 15

  • Semiweekly depositors deposit FICA and withheld income tax on wages paid on Sept. 9-12.
  • Monthly depositors deposit FICA and withheld income tax for August.
  • Individuals and calendar-year corporations pay third installment of 2017 estimated tax.
  • Calendar-year corporations file 2016 income tax return (Form 1120 for C corporations; 1120S for S corporations) if automatic extension was obtained.
  • Partnerships file 2016 Form 1065, S. Return of Partnership Income, if automatic extension was obtained.

Wednesday, Sept. 20 – Semiweekly depositors deposit FICA and withheld income tax on wages paid on Sept. 13-15.

Friday, Sept. 22 – Semiweekly depositors deposit FICA and withheld income tax on wages paid on Sept. 16-19.

Wednesday, Sept. 27 – Semiweekly depositors deposit FICA and withheld income tax on wages paid on Sept. 20-22.

Friday, Sept. 29 – Semiweekly depositors deposit FICA and withheld income tax on wages paid on Sept. 23-26.

Intuit® ProConnect™ 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.