Colo. Rev. Stat. § 33-6-118
It is unlawful for any person to advertise, conduct or offer to conduct, or otherwise promote or participate in any contest or competition involving two or more persons and the monetary payment or awarding of any other prize when the object of the contest or competition involves the killing of any big game or the display for comparison of any big game or any part thereof. Certificates issued by organizations solely for registration and recognition of animals legally taken are not prohibited. Any person who violates this section is guilty of a misdemeanor and, upon conviction thereof, shall be punished by a fine of five hundred dollars and an assessment of twenty license suspension points.
C.R.S. § 33-6-118
This section is similar to former § 33-6-141 as it existed prior to 1984.