(1) The governing body of an agency is a board consisting of the current members of the legislative body of the community that created the agency.
(2) A majority of board members constitutes a quorum for the transaction of agency business.
(3) An agency board may not adopt a resolution, pass a motion, or take any other official board action without the concurrence of at least a majority of the board members present at a meeting at which a quorum is present.
(4) The mayor of a municipality operating under a council-mayor form of government, as defined in Section 10-3b-102:
(a) serves as the executive director of an agency created by the municipality; and