Proof of offences

(1) In any prosecution of an offence under this Act, it is sufficient proof of the offence to establish that it was committed by an employee or agent of the accused, whether or not the employee or agent is identified or prosecuted for the offence. (2) In any prosecution of the master of a ship or the pilot in command of an aircraft for an offence arising out of a contravention of Part III, it is sufficient proof of the offence to establish that it was committed by a crew member or other person on board the ship or aircraft, whether or not the crew member or other person is identified or prosecuted for the