Source: L. 71: R&RE, p. 421, § 1. C.R.S. 1963: § 40-3-204. L. 77: Entire section amended, p. 961, § 10, effective July 1. L. 2004: Entire section amended, p. 635, § 4, effective August 4. L. 2009: Entire section amended, (HB 09-1120), ch. 305, p. 1649, § 1, effective July 1. L. 2011: (1)(b) amended and (4) added, (HB 11-1105), ch. 250, p. 1088, § 2, effective August 10. L. 2012: (1)(b) amended, (HB 12-1059), ch. 271, p. 1435, § 13, effective July 1. L. 2015: (2) R&RE and (4) repealed, (SB 15-126), ch. 109, p. 317, § 2, effective July 1; (1)(b) amended and (4) repealed, (SB 15-067), ch. 337, p. 1367, § 3, effective September 1. L. 2016: (2) repealed, (HB 16-1393), ch. 304, p. 1226, § 5, effective July 1.