No person, without first obtaining a written permit from the City Manager or entering into a contract with the city, shall:
(A) Hold or participate in any parade, drill, exhibition or political or religious meeting;
(B) Speak publicly;
(C) Carry or use firearms of any description, air rifles or slingshots, except those persons so authorized, or discharge any fireworks or explosives substances of any nature;
(D) Erect any structures; or
(E) Hold or participate in any special function other than those conducted by the city.
(`61 Code, § 14A.12) (Ord. 403, passed 8-15-1961)