Tennessee Code Title 2. Elections § 2-13-106

(1) The chair and secretary of the committee, duly elected under the rules of the political party, shall be the chair and secretary of the board;

(2) Unless elected to the committee under § 2-13-103, the chair shall vote only in the event of a tie vote among the members and the secretary shall not vote; and

(3) If there is not a quorum at a properly called meeting, the members present may adjourn from day to day and may treat the absence of a member after the first day of the meeting as a temporary vacancy unless there is known to be good cause for the absence. The members present may fill the vacancy for that meeting only.