It shall be unlawful for any person under the age of eighteen (18) years to have a firearm in his possession within the City limits of the City of Selma at anytime, except when (a) he is in the company of one of his parents, or (b) within the walls of his home, or (c) he is handling merchandise in the course of services of a carrier or the post office or a licensed retail merchant, or (d) in connection with starting guns, he is acting as an equipment athletic manager or starter in an athletic contest, or (e) in connection with stage properties for dramatic productions, or (f) in connection with a drill, demonstration, or parade under the jurisdiction and control of a public school or a branch or reserve force of the armed forces of the State of California or the United States, or (g) in connection with a shooting gallery, practice range, training school, or skeet field conducted at a fixed location and with adequate safeguards, for which a permit has been issued by the Chief of Police, and under the control of qualified supervisors or instructors approved by the Chief of Police, or (h) when he is in the company of a police officer, or qualified supervisor or instructor approved by the Chief of Police.