Source: L. 73: p. 744, § 5. C.R.S. 1963: § 40-13-110. L. 79: Entire section R&RE, p. 1552, § 16, effective June 20; (1)(a)(I) to (1)(a)(III), (1)(b), and (2)(a) amended, p. 1057, § 2, effective June 20. L. 81: (4)(a) and (4)(b) amended, p. 2025, § 19, effective July 14. L. 84: (2)(a) and (3) amended, p. 1084, § 1, effective July 1; (2)(b)(I) amended, p. 677, § 1, effective July 1. L. 86: (2)(a) and (3)(b) amended, p. 1185, § 16, effective July 1, 1987. L. 89: (2)(a) amended and (4)(d) added, pp. 1161, 1160, §§ 9, 6, effective May 26. L. 93: (3) amended, p. 1922, § 1, effective July 1. L. 94: (2)(b)(II) amended, p. 2735, § 359, effective July 1; entire section repealed, p. 2541, § 5, effective January 1, 1995.