The Commissioner may cancel a registration certificate issued to a transporter whenever, after hearing before the Commissioner or upon conviction in any court in this State, the Commissioner finds that the transporter has violated any motor vehicle law in this State or any lawful rule of the Commissioner applying to transporters. A transporter whose certificate has been canceled shall immediately return to the Commissioner the registration certificate and the number plates furnished to the transporter by the Commissioner.
23 V.S.A. § 495