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Code of Federal Regulations
Title 49
Chapter V
Part 523
49 C.F.R. 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.