This Chapter may from time to time be amended, supplemented, changed, modified or appealed. The Board of Aldermen may, from time to time, either on its own action or on petition of interested property owners, after public notice and hearing as provided by law, amend, supplement, change, modify or repeal the boundaries or regulations herein or subsequently established. A fee of fifty dollars ($50.00) payable to the City of Clarence shall be filed with each petition of interested property owners requesting any of aforesaid changes.

If such proposed amendment, supplement, change, modification or repeal is petitioned for by interested property owners, said petition shall be signed by the owners of fifty percent (50%) of the area of all the real estate included within the boundaries of said tract of real estate described in said petition.

Whenever any amendment, supplement, change, modification or repeal of this Chapter is proposed, such proposed amendment, supplement, change, modification or repeal shall first be submitted to the City Planning and Zoning Commission which shall within thirty (30) days after the date of the receipt of such amendment, supplement, change, modification or repeal report back to the Board of Aldermen either approving or disapproving such proposed amendment, supplement, change, modification or repeal.

If the report of the City Planning and Zoning Commission on such proposed amendment, supplement, change, modification or repeal is unfavorable or if a protest against such proposed amendment, supplement, change, modification or repeal signed by the owners of thirty percent (30%) or more, either of the area included in such proposed change or of those within one hundred eighty-five (185) feet of the boundary of such proposed change exclusive of the width of intervening streets and alleys, such amendment shall not become effective except by a favorable vote of at least two-thirds (2/3) of all members of the Board of Aldermen. The provisions of the Statute relative to public hearings and official notice shall apply to all changes or amendments.

It shall be the duty of the Board of Aldermen to act upon such proposed amendment, supplement, change, modification or repeal within sixty (60) days after receiving the report from the City Planning and Zoning Commission.

If an amendment filed by interested property owners is rejected by the Board of Aldermen, a new application for the same amendment on the same property may not be filed before six (6) months have elapsed.