Colo. Rev. Stat. § 2-4-202 : LEGISLATIVE — CONSTRUCTION AND REVISION — CONSTRUCTION OF STATUTES — CONSTRUCTION OF STATUTES —4-202 - Statutes presumed prospective TEXT PDF A statute is presumed to be prospective in its operation. C.R.S. § 2-4-202 L. 73: R&RE, p. 1424, § 1. C.R.S. 1963: § 135-1-202.