C.R.S. § 42-12-405

In addition to any other penalties, the department shall cancel the registration of a noncommercial or recreational vehicle, truck, or truck tractor registered as a collector’s item pursuant to section 42-12-401 that is used to transport cargo or passengers for profit or hire or in a business or commercial enterprise. The department shall cancel the registration of a truck or truck tractor registered as a collector’s item pursuant to section 42-12-401 that is driven for any purpose other than those purposes allowed in section 42-12-401 (1)(c).