Colorado Revised Statutes Title 42. Vehicles and Traffic § 42-20-203. Carrying of permit and shipping papers

(1) Any person transporting hazardous materials that require placarding under 49 CFR 172 or 173 in this state shall carry a copy of the shipping papers required in 49 CFR 172.200 and a copy of the hazardous materials transportation permit issued by the department of transportation or, before January 1, 2021, by the public utilities commission or by the Colorado state patrol at a port of entry weigh station in the transporting motor vehicle while in this state; except that, if a peace officer, as described in section 16-2.5-101, or any other enforcement official determines that the hazardous materials transportation permit can be electronically verified at the time of contact, a copy of the permit need not be carried by the person transporting hazardous materials. The permit is open to inspection or electronic verification by any enforcement official.

(2) In the event of an accident involving hazardous materials, the operator of the motor vehicle shall provide the shipping papers to the emergency response authorities designated in or pursuant to article 22 of title 29, C.R.S., and immediately bring to their attention the fact that the motor vehicle is carrying hazardous materials.