An owner or duly authorized agent or representative may make application for the amendment of the zoning restrictions applicable to that property by filing with the planning commission a written application in such form and content as the planning commission may, by resolution, establish. The written application shall be filed in the office of the city clerk along with the required fee, as provided herein, in order to have such application placed on the planning commission agenda. All costs of notice and posting shall be billed to the applicant and paid by the applicant. (1986 Code)