(1) The managing authority or, for the purpose of regulation 6 , the Director may cancel any authority, or game authority, granted to a specific person if (a) the person has contravened or failed to comply with any condition of the authority or game authority; or(b) the person has been convicted of an offence under the Act or these regulations.(2) A notice (a) is to be served on the person who was granted the authority or game authority; and(b) is to specify the grounds on which the authority or game authority is cancelled.(3) On the service of a notice (a) the authority or game authority ceases to have effect; and(b) the person is to surrender the authority or game authority to the managing authority or to the Director if the Director granted the authority or game authority.