Tennessee Code Title 67. Taxes and Licenses § 67-3-1405

(a) Each commercial carrier who uses dyed diesel to produce power for a means of transportation within this state shall be subject to the tax imposed by § 67-3-202 on all such fuel so used within this state and shall register with the department and file reports on forms prescribed by the department showing the total number of gallons of dyed diesel used within this state and any other information as may be reasonably required by the commissioner. Each report shall be filed on the twentieth day of the month following the close of each calendar quarter and shall include all activities occurring during such quarter.

(b) The full amount of the diesel tax imposed by this state on dyed diesel shall be paid at the same time that the commercial carrier transmits the report and no later than the quarterly due date set forth in subsection (a).