Tenn. Code Ann. § 6-2-102: Ordinance procedure

An ordinance shall be considered and adopted on two (2) separate days; any other form of board action shall be considered and adopted in one (1) day. Any form of board action shall be passed by a majority of the members present, if there is a quorum. A quorum is a majority of the members to which the board is entitled. All ayes and nays on all votes on all forms of board action shall be recorded.