66. A person shall be punishable with imprisonment for a term which may extend to three years, or with fine which may extend to Taka ²[fifty thousand], or with both, if he- (a) without ascertaining that a person is entitled to, and in possession of, appropriate valid certificate of competency or licence for the purpose, employs or engages such person to act as master, engineer or engine-driver of an inland ship; (b) without being entitled to, or in possession of, appropriate valid certificate of competency or licence, acts in any voyage as master, engineer or engine-driver of such ship.