Proactive tax planning is a vital exercise for all business owners and individuals. Please note the tax deadlines for the third quarter of 2018 below:

July 16 :

If the monthly deposit rule applies, employers must deposit the tax for
payments in June for Social Security, Medicare, withheld income tax, and nonpayroll
withholding.

July 31: 

If you have employees, a federal unemployment tax (FUTA) deposit is due if
the FUTA liability through June exceeds $500.The second quarter Form 941 (“Employer’s Quarterly Federal Tax Return”) is also due today. (If your tax liability is less than $2,500, you can pay it in full with a timely filed return.) If you deposited the tax for the quarter in full and on time, you have until August 10 to file the return.

August 15:

If the monthly deposit rule applies, employers must deposit the tax for
payments in July for Social Security, Medicare, withheld income tax, and nonpayroll
withholding.

September 15:

Third quarter estimated tax payments are due for individuals, trusts,
and calendar-year corporations. If a six-month extension was obtained, partnerships should file their 2017 Form 1065 by this date. If a six-month extension was obtained, calendar-year S corporations should file their 2017 Form 1120S by this date. If the monthly deposit rule applies, employers must deposit the tax for payments in
August for Social Security, Medicare, withheld income tax, and nonpayroll
withholding.