Tenn. Code § 8-50-1206
The annual report, including financial statements, all books, accounts and financial records of any trust created under this part shall be subject to audit by the comptroller of the treasury. Any political subdivision maintaining a trust under this part may, with the prior approval of the comptroller of the treasury, engage licensed independent public accountants to perform the audits. The audit contract between the political subdivision and the independent public accountant shall be on contract forms prescribed by the comptroller of the treasury. The political subdivision shall be responsible for reimbursement of the costs of audits prepared by the comptroller of the treasury and the payment of fees for audits prepared by licensed independent public accountants.
T.C.A. § 8-50-1206