The regulations, restrictions and boundaries contained in this Chapter may from time to time be amended, supplemented, changed, modified or repealed by the Board of Aldermen, either on its or the Director of Planning and Zoning's own motion or on application or petition therefor, in writing filed with the City Clerk of the City of Greenwood. Said application or petition shall be accompanied by a filing fee of one hundred dollars ($100.00) payable to the City of Greenwood. Any expenditures in excess of the one-hundred-dollar filing fee incurred by the City that are necessary and incident to the processing of the application shall be billed to the applicant or petitioner, including fees and expenses incurred by the City for the services of a consulting engineer, land planner or other such third-party contractor advising the City in connection with the review of any proposed amendment, supplementation, change, modification or repeal, subject to a fifteen-percent City administrative fee.