C.R.S. § 42-5-111

(1) Whenever any motor vehicle or major component part of a motor vehicle is transported, shipped, towed, or hauled by any means in this state, said vehicle or component part shall be accompanied by proper authorization of possession from the legal owner or a law enforcement agency. Such authorization may include, but need not be limited to, bills of lading, shipment invoices, towing requests, or other specific authorization which readily identifies the rightful owner and conveys said owner’s authorization of possession to the person transporting the motor vehicle or component part. (2) A person who violates this section commits a civil infraction.