The City Council may, from time to time, on its own action or on petition, after public hearings as provided by law, notice of which shall have been given in a newspaper of general circulation in the City at least fifteen (15) days prior to such hearings, and after report by the Planning and Zoning Commission, amend, supplement, or change the boundaries or regulations herein or subsequently established, and such amendment shall not become effective except by the favorable vote of a majority of all the members of the City Council.

   1.   Procedures.  Whenever any person, firm, or corporation desires that any amendment or change be made in this chapter, including the text and or map, as to any property in the City, there shall be presented to the Planning and Zoning Commission a petition requesting such change or amendment and clearly describing the property and its boundaries as to which the change or amendment is desired, duly signed by the owners of 50 percent of the area of all real estate included within the boundaries of said tract as described in said petition, and in addition, duly signed by the owners of 50 percent of the area of all real estate lying outside of said tract but within 250 feet of the boundaries thereof, and intervening streets and alleys not to be included in computing such 250 feet. It shall be the duty of the Commission to report such petition to the City Council within 45 days after the filing of such petition with the City Administrator, and shall be the duty of the Council to act on such petition within 90 days after said filing. In case the proposed amendment, supplement, or change is disapproved by the Commission, or a protest be presented duly signed by the owners of 20 percent or more either of the area of the lots included in such proposed change, or of those immediately adjacent to the rear thereof, extending the depth of one lot or not to exceed 200 feet therefrom, or of those directly opposite thereto, extending the depth of one lot or not to exceed 200 feet from the street frontage of such opposite lots, such amendments shall not become effective except by the favorable vote of at least three-fourths (3/4) of all members of the Council. Whenever any petition for amendment, supplement, or change of the Zoning Districts or regulations herein contained or subsequently established shall have been denied by the City Council, then no new petition covering the same property or the same property and additional property shall be filed with or considered by the City Council until one year shall have elapsed from the date of the filing of the first petition.

   2.   Filing Fees. Before any action shall be taken as provided in this section, the owner or owners of the property proposed or recommended to be changed in the district regulations or district boundaries shall pay to the City Treasurer the sum of   $75.00 to cover the costs of the procedure. Under no conditions shall said sum or any part thereof be refunded for failure of said amendment to be enacted into law.