(1) In this regulation reasonable period means a period of at least 7 days allowed by the Secretary.(2) The holder of a shot-firing permit may apply to the Secretary for an additional endorsement.(3) The provisions of regulation 45(3) , (4) , (5) , (6) and (7) and regulation 46 apply, with the necessary modifications, to the application.(4) If the application is approved unconditionally, the Secretary is to issue the applicant with an amended permit with the additional endorsement as soon as practicable.(5) If the application is approved conditionally, the following provisions apply:(a) the Secretary is to notify the applicant as soon as practicable of the approval and the proposed permit conditions;(b) if, within a reasonable period, the applicant agrees to the proposed permit conditions (or, failing that, the Secretary and the applicant are able to agree on modified permit conditions) the Secretary is to (i) issue the applicant with an amended shot-firing permit with the additional endorsement on the proposed (or, if applicable, modified) permit conditions; and(ii) inform such other persons of the matter as the Secretary thinks fit;(c) if, within a reasonable period, the applicant does not agree to the proposed permit conditions (or the Secretary and the applicant are unable to agree on modified permit conditions) the application is taken to have been refused at the end of that period and the procedure set out in regulation 45(7) is to be followed.