No company, society, organization, or group of individuals of more than twenty-five persons shall hold or conduct any organized activity including, but not limited to, picnics, celebrations, services, exercise or athletic event at any public park or school district property which is designated as requiring a permit for such activity without first obtaining a use permit from the Community Services Department and paying the appropriate use fee as established by resolution of the City Council. (Ord. 2933 § 1 (part), 1998).