C.R.S. § 38-29-143

(1) The owner shall file notice of any change of location within the county with the county assessor and the county treasurer or change of location from one county to another county with the county assessor and the county treasurer of each county within twenty days after such change of location occurs. For the purposes of this subsection (1), “owner” shall mean the owner at the time of the change of location. (2) Any person who fails to file notice of any change of location as required by subsection (1) of this section is guilty of a misdemeanor traffic offense and, upon conviction thereof, shall be punished by a fine of not less than one hundred dollars nor more than one thousand dollars. This shall be a strict liability offense.