Tenn. Code Ann. § 67-4-904

The tax levied under this part shall be due and payable quarterly. For the purpose of ascertaining the amount of tax payable under this part, it shall be the duty of each fantasy sports operator, on or before the twentieth day immediately following the end of each calendar quarter, to transmit to the commissioner, upon forms prescribed by the commissioner, returns, showing all receipts derived from offering or providing consumers with any of the privileges taxable under this part during the preceding calendar quarter and other necessary information, as determined by the commissioner, to determine the adjusted revenues of a fantasy sports contest offered by a fantasy sports operator.