61-9-304. Brakes required on all wheels -- exceptions. Every vehicle must be equipped with brakes acting on all wheels except:
(1) trailers, semitrailers, pole trailers of a gross weight not exceeding 3,000 pounds, provided that:
(a) the total weight on and including the wheels of the trailer or trailers may not exceed 40% of the gross weight of the towing vehicle when connected to the trailer or trailers; and
(b) the combination of vehicles consisting of the towing vehicle and its total towed load is capable of complying with the performance requirements of 61-9-312;
(2) any vehicle being towed in driveaway or towaway operations, provided the combination of vehicles is capable of complying with the performance requirements of 61-9-312;
(3) trucks and truck tractors having three or more axles need not have brakes on the front wheels, if the vehicle was manufactured before July 25, 1980. However, the trucks and truck tractors must be capable of complying with the performance requirements of 61-9-312.
(4) special mobile equipment;
(5) the wheel of a sidecar attached to a motorcycle or to a motor-driven cycle, or the front wheel of a motor-driven cycle need not be equipped with brakes. However, a quadricycle, motorcycle, or motor-driven cycle must be capable of complying with the performance requirements of 61-9-312.