Tennessee Code Title 67. Taxes and Licenses § 67-3-705

A person licensed as a blender shall file a monthly report with the department, on forms prescribed and furnished by the department, reporting the amount of any untaxed petroleum products, blend stocks, or additives blended in this state, and paying all applicable taxes and fees levied under this chapter which have not been previously paid. The report shall be filed on or before the twentieth day of the month following the month of activity.