A director shall administer each division within the agency. (Added 1971, No. 92, § 6, eff. June 1, 1971; amended 1977, No. 105, § 1; 1977, No. 109, § 30, eff. July 3, 1977; 1983, No. 147 (Adj. Sess.), §§ 1, 5, eff. April 11, 1984; 1983, No. 170 (Adj. Sess.), §§ 1, 14(a), eff. April 19, 1984; 1985, No. 74, § 300; 1987, No. 243 (Adj. Sess.), § 14, eff. June 13, 1988.)