The appointed members of the board shall receive $ 30.00 a day for the time actually spent in the performance of their duties and all members of the board shall receive their actual and necessary expenses when away from home upon their official duties. (Amended 1964, No. 22 (Sp. Sess.), § 2, eff. March 11, 1964; 1973, No. 92, eff. April 24, 1973.)