(a) The board is the corporate authority of the district and may pass and enforce all necessary ordinances, rules, and regulations for the management of the property and conduct of the business of the district. The president of the board may appoint employees to positions authorized by the board.
     (b) Within 60 days after their appointment, the initial commissioners shall organize by selecting from their members a president, secretary, treasurer, and such other officers as may be necessary, who shall hold office until the next June 30 and until their successors are selected and qualify. Thereafter, the officers shall be selected as provided in this Section for a term of one year ending June 30 and until their successors are selected and qualify.
     (c) In any county or municipality where the corporate authorities act as the governing body of a district, the person exercising the powers of the president of the board shall appoint a secretary, treasurer, and other officers and employees as may be necessary.