C.R.S. § 42-4-241

(1) Intentionally left blank —Ed. (a) A person, other than a towing carrier or peace officer as described in section 16-2.5-101 , C.R.S., commits the crime of unlawful removal of tow-truck signage if: (I) A towing carrier has placed a tow-truck warning sign on the driver-side window of a vehicle to be towed or, if window placement is impracticable, in another location on the driver-side of the vehicle; and (II) The vehicle to be towed is within fifty feet of the towing carrier vehicle; and (III) The person removes the tow-truck warning sign from the vehicle before the tow is completed. (b) A person commits the crime of unlawful usage of tow-truck signage if the person places a tow-truck warning sign on a vehicle when the vehicle is not in the process of being towed or when the vehicle is occupied. (c) A towing carrier may permit an owner of the vehicle to be towed to retrieve any personal items from the vehicle before the vehicle is towed. (2) A person who violates subsection (1) of this section commits a class A traffic infraction. (3) For purposes of this section, “tow-truck warning sign” means a sign that is at least eight inches by eight inches, is either yellow or orange, and states the following: WARNING: This vehicle is in tow. Attempting to operate or operating this vehicle may result in criminal prosecution and may lead to injury or death to you or another person.