5. Limiting firearms possession in parks or preserves of one square mile or less in area to persons who possess a concealed weapons permit issued pursuant to section 13-3112. The political subdivision shall post reasonable notice at each park or preserve. The notice shall state the following: "Carrying a firearm in this park is limited to persons who possess a permit issued pursuant to section 13-3112." In parks or preserves that are more than one square mile in area, a political subdivision may designate developed or improved areas in which the political subdivision may limit firearms possession to persons who possess a concealed weapons permit issued pursuant to section 13-3112. The political subdivision shall post reasonable notice at each designated developed or improved area. The notice shall state the following: "Carrying a firearm in this developed or improved area is limited to persons with a permit issued pursuant to section 13-3112." For the purposes of this paragraph, "developed or improved area" means an area of property developed for public recreation or family activity, including picnic areas, concessions, playgrounds, amphitheaters, racquet courts, swimming areas, golf courses, zoos, horseback riding facilities and boat landing and docking facilities. Developed or improved area does not include campgrounds, trails, paths or roadways except trails, paths and roadways directly associated with and adjacent to designated developed or improved areas. Any notice that is required by this paragraph shall be conspicuously posted at all public entrances and at intervals of one-fourth mile or less where the park, preserve or developed or improved area has an open perimeter. Any limitation imposed by a political subdivision pursuant to this paragraph shall not apply to a person:
