Action of the Board of Commissioners of an airport authority of a legislative character shall be in the form of an ordinance, and after adoption shall be filed with the Secretary and shall be made a matter of public record in the office of the authority. Other action of the board may be by resolution, motion or in other appropriate form, and executive or ministerial duties may be delegated to one or more commissioners or to an authorized officer, employee, agent, attorney, or other representative of the Authority. A majority of the commissioners appointed and qualified shall constitute a quorum to do business.
     The enacting clause of any ordinance shall be substantially as follows: “Be it ordained by the Board of Commissioners of …. Airport Authority.”