All motor vehicles used by a commercial driving school to instruct students in the operation of a motor vehicle shall be equipped with dual controls on the foot brake and on the clutch if so equipped, and located to enable an instructor seated in the front passenger's seat to control the vehicle in the event of an emergency. Vehicles to which dual controls are added or in which existing dual controls are modified shall be inspected by the department of motor vehicles before such vehicle may be used for behind-the-wheel instruction.
Conn. Agencies Regs. § 14-78-39