Source: L. 64: p. 609, § 28. C.R.S. 1963: § 123-31-28. L. 73: pp. 1290, 1416, §§ 1, 91.
L. 74: (1)(b) amended, p. 371, § 7, effective March 21. L. 75: (1)(a) to (1)(c), (1)(d)(I), (1)(d)(II), (2), and (4)(a) amended, p. 690, § 14, effective July 1. L. 77: (1)(e) amended, p. 1047, § 1, effective April 24. L. 81: (1)(e) and (2)(a) amended, p. 1062, § 1, effective May 22. L. 82: (1)(c)(II) amended, p. 624, § 20, effective April 2. L. 83: (1) (b), (1)(c)(II) to (1)(c)(V), and (1)(d)(I) amended, p. 746, § 1, effective May 23. L. 87: (1)(d)(I), (2)(a)(I), and (4) amended, p. 314, § 48, effective July 1. L. 88: (2.5) added, p. 295, § 7, effective May 29. L. 92: Entire article amended, p. 830, § 31, effective January 1, 1993.