(a) The members of the executive committee shall elect from among its membership a presiding officer, assistant presiding officer, and secretary and other officers the members determine are appropriate.
(b) The executive committee may appoint, as necessary, members or nonmembers as assistant secretaries.
(c) The secretary or assistant secretary shall:
(1) keep permanent records of each proceeding and transaction of the authority; and
(2) perform other duties assigned by the executive committee.