Source: L. 65: p. 858, § 4. C.R.S. 1963: § 88-5-4. L. 69: p. 698, § 2. L. 75: (1) amended, p. 787, § 12, effective July 1. L. 98: (4) amended, p. 140, § 1, effective August 5. L. 2017: Entire section amended, (SB 17-294), ch. 264, p. 1412, § 102, effective May 25.