Liability of license for offence committed by his agent

The holder of a license, permit or pass granted under this Act shall be punishable as well as the actual offender, for any offence punishable under section 53, 54, 55, 56, 57 of 58 committed by any person in his employ and acting on his behalf, as if he had himself committed such offence, unless he establishes that all due reasonable precautions were exercised by him to prevent the commission of such offence: Provided that no person other than the actual offender shall be punished with imprisonment except in default of payment of fine.