Part 523 — Vehicle Classification

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• §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.