(a) in the case of a prohibited firearm, it is unloaded;

(b) it is stored

(i) in a securely locked cabinet, vault or safe,

(ii) in a securely locked location, or

(iii) in a location that is readily accessible only to the owner or an employee of the business; and

(c) it is stored on premises where

(i) there is an electronic burglar alarm system, and

(ii) every window that can be opened, and every exterior door, can be securely locked.

(2) Despite paragraphs

 (1)(b) and

(c), a business may store a prohibited firearm, other than a prohibited handgun, or a component or part of a prohibited firearm if it is stored in a location the security of which is equal or superior to the places, locations and premises described in subparagraphs

(1)(b)(i) to (iii) and paragraph

(1)(c) and that is approved in writing by the chief firearms officer who issued a licence to the business.