Due Dates and Tax Rates
Annual – 15th day of the 4th month following the close of your books and records. For business with a 1/1-12/31 calendar year, this tax is due on April 15th of the following year.
Quarterly estimated payments – 15th day of the fourth, sixth, and ninth months of the current tax year and the 15th day of the first month of the next succeeding tax year, if you have a combined tax liability of $5,000 or more in both the prior and current tax years.
Extension – 6-month extension
Franchise tax – 0.25% of the greater of net worth or real and tangible property in Tennessee. The minimum tax is $100.
Excise tax – 6.5% of Tennessee taxable income