(1) The Commissioner is to cancel a licence by serving on the holder of the licence a notice stating (a) that the licence is cancelled; and(b) the reason for cancelling it.(2) Subject to subsection (3) , cancellation of a licence takes effect (a) on the date on which the notice is served; or(b) on a later date specified in the notice, whether or not an application for a review of the cancellation is made.(3) The cancellation of a firearms dealer licence takes effect (a) if an application for a review is not made (i) on the date on which the notice is served; or(ii) on a later date specified in the notice; or(b) if an application for a review is made and the Magistrates Court (Administrative Appeals Division) affirms the decision under review, on the date of that determination.(4) The Commissioner may revoke a notice of cancellation of a licence by serving a further notice on the holder of the licence before that notice takes effect.