Tennessee Code Title 9. Public Finances § 9-4-305

(a) All deposits made pursuant to § 9-4-301, except as provided in subsection (b), shall be evidenced by a deposit certification in accordance with procedures established by the commissioner of finance and administration and approved by the state treasurer.

(b) Deposits of state funds that result from transfers within the banking system utilizing electronic transfer of funds and initiated by the state treasurer shall be evidenced by those documents and advices as are used within the banking system to execute such funds transfer, and shall be accepted by the commissioner of finance and administration in lieu of deposit certifications. Such documents and advices shall be delivered directly by the state treasurer to the commissioner of finance and administration. The use of the term “banking system” in this subsection (b) shall not be construed to restrict the definition of “state depository” to any meaning other than that set forth in § 9-4-107.