Source: L. 69: p. 953, § 51. C.R.S. 1963: § 115-6-20. L. 79: (1) amended, p. 1516, § 1, effective June 19. L. 83: (1) amended, p. 1563, § 1, effective March 16. L. 87: (2) amended, p. 1475, § 1, effective February 26. L. 89: (3) amended, p. 1533, § 20, effective April 12. L. 93: (4) amended, p. 2066, § 22, effective July 1. L. 2011: Entire section repealed, (HB 11-1198), ch. 127, p. 416, § 3, effective August 10.