The authority shall elect from among its membership a chairman, a vice chairman, a secretary-treasurer, and an assistant secretary-treasurer. Such officers shall serve for such terms as shall be prescribed by resolution of the authority or until their successors are elected and qualified. (Code 1981, § 46-4-89, enacted by Ga. L. 1987, p. 745, § 1.) 46-4-90. Quorum; majority vote.