Tennessee Code Title 63. Professions of the Healing Arts § 63-1-143

(a) Each board, commission, committee, agency or other governmental entity created pursuant to this title incurring a vacancy shall notify the appointing authority in writing within ninety (90) days after the vacancy. All vacancies, other than ex officio members, on any board, commission, committee, agency or other governmental entity created pursuant to this title shall be filled by the appointing authority within ninety (90) days of receiving written notice of the vacancy and sufficient information is provided for the appointing authority to make an informed decision in regard to filling such vacancy. If sufficient information has been provided and a board, commission, committee, agency or other governmental entity created pursuant to this title has more than one (1) vacancy that is more than one hundred eighty (180) days in duration, such board, commissioner, committee, agency or other governmental entity shall report to the house and senate government operations committees why such vacancies have not been filled.

(b) If more than one-half ( 1/2 ) of the positions on any board, commission, committee, agency or other governmental entity created pursuant to this title are vacant for more than one hundred eighty (180) consecutive days, such board, commission, committee, agency or other governmental entity shall terminate. Such board, commission, committee, agency or other governmental entity shall wind up its affairs pursuant to § 4-29-112. If a board, commission, committee, agency or other governmental entity created pursuant to this title is terminated pursuant to this subsection (b), it shall be reviewed by the evaluation committees pursuant to the Uniform Administrative Procedures Act, compiled at title 4, chapter 5, before ceasing all its activities. Nothing in this section shall prohibit the general assembly from continuing, restructuring, or reestablishing a board, commission, committee, agency or other governmental entity created pursuant to this title.