Utah Code § 41-1a-205
Safety inspection certificate required for commercial motor vehicles and initial registration of street-legal ATVs, street-legal novel vehicles, and salvage vehicles.
(1) A street-legal all-terrain vehicle registered in accordance with Section 41-6a-1509 is subject to a safety inspection the first time that a person registers an off-highway vehicle as a street-legal all-terrain vehicle. (2) A street-legal novel vehicle registered in accordance with Section 41-27-201 is subject to a safety inspection the first time that a person registers a novel vehicle as a street-legal novel vehicle. (3) A salvage vehicle as defined in Section 41-1a-1001 is subject to a safety inspection when the owner makes the initial application to register the vehicle as a salvage vehicle. (4) A roadable aircraft is subject to a safety inspection when the owner makes the initial application to register the roadable aircraft. (5) A safety inspection certificate shall be displayed on: (a) all registered commercial vehicles as defined in Section 72-9-102; (b) a motor vehicle with three or more axles, pulling a trailer, or pulling a trailer with multiple axles; (c) a combination unit; (d) a bus or van for hire; (e) a taxicab; and (f) a motor vehicle operated by a ground transportation service provider as defined in Section 72-10-601. (6) Subject to Subsection 53-8-209(3), a violation of this section is an infraction.