The provisions of this chapter shall not apply to any peace officer in the regular discharge of his duties; nor to any officers or employees of the city acting in their official capacity or within the scope of their employment upon city property in compliance with all applicable laws, rules and regulations governing the use of firearms and with the approval of the city council; nor to persons engaged in the protection of crops or livestock; nor to any contest conducted by and under the supervision of a bona fide rifle or pistol organization at a public shooting gallery or rifle and pistol range; nor to discharge of bow and arrows at any archery course or rifles or pistols at any rifle or pistol range; provided that, the location and construction of such public gallery or such rifle and pistol range or archery course must first be approved by the city council; and provided further that, approval of any such public shooting gallery or rifle and pistol range or archery course may be canceled by the council whenever in its judgment public safety or welfare may require such cancellation; nor shall the provisions of this chapter apply to any person in the due protection of life or property. (Ord. 163 § 2(C), 1997)