Source: L. 64: p. 415, § 16. L. 65: p. 477, §§ 1, 2. C.R.S. 1963: § 37-14-10. L. 67: p. 304, § 1. L. 69: p. 263, § 1. L. 72: p. 592, § 63. L. 77: (1) repealed, p. 785, § 2, effective July 1. L. 79: (3) amended, p. 607, § 1, effective May 18. L. 90: (2) repealed, p. 861, § 1, effective March 22. L. 92: (3) repealed, p. 275, § 3, effective February 12.