Tennessee Code Title 7. Consolidated Governments and Local Governmental Functions and Entities § 7-90-110

(a) The board of directors of each authority shall cause an annual audit to be made of the books and records of its authority. The comptroller of the treasury, through the department of audit shall be responsible for determining that such audits are prepared in accordance with generally accepted governmental auditing standards and that such audits meet the minimum standards prescribed by the comptroller of the treasury.

(b) Such audits shall be prepared by certified public accountants or by the department of audit. In the event the governing body of the authority shall fail or refuse to have the audit prepared, then the comptroller of the treasury may appoint a certified public accountant, or direct the department of audit, to prepare the audit, the cost of such audit to be paid by the authority.

(c) Each authority shall prepare an annual report of its business affairs and transactions. A copy of such report shall be filed with the municipality granting permission to the authority to organize.