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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Sep 21, 2023
All Titles
Title 49
Chapter V
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.
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