(a) the restricted firearm or prohibited firearm is unloaded;

(b) the restricted firearm or prohibited firearm is rendered inoperable by means of a secure locking device;

(c) the restricted firearm or prohibited firearm is securely attached to a non-portable structure in such a manner that it cannot readily be removed;

(d) the restricted firearm or prohibited firearm is not displayed with and is not readily accessible to ammunition that can be discharged from it; and

(e) in the case of an automatic firearm that has a removable bolt or bolt-carrier, the bolt or bolt-carrier is removed and stored in a room that is different from the room in which the automatic firearm is displayed, that is kept securely locked and that is constructed so that it cannot readily be broken open or into.

  (2) An individual may display a restricted firearm in a place other than a dwelling-house only if it 

(a) is unloaded;

(b) is rendered inoperable by means of a secure locking device;

(c) is, subject to subsection (4), securely attached to a structure on which it is displayed by a chain, metal cable or similar device in such a manner that the restricted firearm cannot readily be removed; and

(d) is not displayed with and is not readily accessible to ammunition that can be discharged from it, unless the ammunition is displayed in a container or receptacle that is kept securely locked and that is constructed so that it cannot readily be broken open or into.

  (3) An individual may display a prohibited firearm in a place other than a dwelling-house only if 

(a) the prohibited firearm is unloaded;

(b) the prohibited firearm is rendered inoperable by means of a secure locking device;

(c) the prohibited firearm is, subject to subsection (4), securely attached to a structure on which it is displayed by a chain, metal cable or similar device in such a manner that the prohibited firearm cannot readily be removed;

(d) the prohibited firearm is not displayed with and is not readily accessible to ammunition that can be discharged from it, unless the ammunition is displayed in a container or receptacle that is kept securely locked and that is constructed so that it cannot readily be broken open or into; and

(e) in the case of an automatic firearm that has a removable bolt or bolt-carrier, the bolt or bolt-carrier is removed and stored in a room that is different from the room in which the automatic firearm is displayed, that is kept securely locked and that is constructed so that it cannot readily be broken open or into.

  (4) Paragraphs (2)(c) and (3)(c) do not apply if the firearm is detached from the structure so that the firearm may be handled by a person under the direct and immediate supervision of the individual displaying it.