(1) After considering an application to have an explosive authorised, the Secretary may (a) refuse the application; or(b) approve the application.(2) If the application is refused, the Secretary is to notify the applicant as soon as practicable of (a) the refusal; and(b) the reasons for the refusal; and(c) the right of review.(3) If the application is approved, the Secretary is to do the following as soon as practicable:(a) determine the date on which the authorisation is to take effect (the " date of authorisation " );(b) notify the applicant of the authorisation and the date of authorisation;(c) make an appropriate entry in the register;(d) publish the authorisation and date of authorisation in the Gazette and in the other ways, if any, that the Secretary may think fit.(4) The Secretary is also to take the actions referred to in subregulation (3)(a) , (c) and (d) if authorising an explosive on his or her own initiative.