Tennessee Code Title 42. Aeronautics § 42-3-107

(a) A commissioner of an authority shall receive no compensation for services but shall be entitled to the necessary expenses, including traveling expenses, incurred in the discharge of the commissioner's duties.

(b) Each commissioner shall hold office until a successor has been appointed and has qualified. The certificates of the appointment and reappointment of commissioners shall be filed with the authority.

(c) The powers of each authority shall be vested in the commissioners of the authority. A majority of the commissioners of an authority shall constitute a quorum for the purpose of conducting business of the authority and exercising its powers and for all other purposes. Action may be taken by the authority upon a vote of not less than a majority of the commissioners present.

(d) There shall be elected a chair and vice chair from among the commissioners. An authority may employ an executive director, secretary, technical experts and such other officers, agents, and employees, permanent and temporary, as it may require, and shall determine their qualifications, duties and compensation. For such legal services as it may require, an authority may call upon the chief law officer of the municipality or municipalities included in the authority or may employ its own counsel and legal staff. An authority may delegate to one (1) or more of its agents or employees such powers or duties as it may deem proper.