Part 523. PART 523—VEHICLE CLASSIFICATION

• § 523.1 - Scope.
• § 523.2 - Definitions.
• § 523.3 - Automobile.
• § 523.4 - Passenger automobile.
• § 523.5 - Non-passenger automobile.
• § 523.6 - Heavy-duty vehicle.
• § 523.7 - Heavy-duty pickup trucks and vans.
• § 523.8 - Heavy-duty vocational vehicle.
• § 523.9 - Truck tractors.
• § 523.10 - Heavy-duty trailers.