To receive a six month extension, a taxpayer must have paid, on or before the original due date, an amount equal to or greater than—
- 90% of the current period liability, or
- 100% of the previous period liability, annualized to 365.25 days, or
- $100 if the previous period does not exist.
When filing the franchise and excise tax return on TNTAP, check “yes” when asked “Have you filed for an extension?”