Conn. Gen. Stat. § 13b-415: Motor carrier obligation re operator's skills, capability and fitness.

No motor carrier, as defined in 49 CFR 350.105 or 49 CFR 390.5, as amended, shall authorize or employ any person to operate any motor vehicle registered or required to be registered in this state with a gross vehicle weight rating or gross combination weight rating of eighteen thousand one or more pounds without an on-the-road skills test performed in such motor vehicle and without a written certification, signed and dated by such motor carrier, that such person possesses the skills, capability and fitness to operate such motor vehicle safely.