Source: L. 64: p. 600, § 11. C.R.S. 1963: § 123-31-11. L. 73: pp. 595, 1285, §§ 61, 2. L. 74: Entire section R&RE, p. 370, § 4, effective March 21. L. 75: (1) R&RE, p. 687, § 7, effective July 1. L. 92: Entire article amended, p. 822, § 31, effective January 1, 1993.
