In case of a written protest against a zoning change filed at least three (3) days prior to the City Council public hearing by the owners of twenty percent (20%) or more of the area of the lots included in such proposed change, or by the owners of fifty percent (50%) or more of the area of the lots within a three hundred (300) foot radius of the exterior boundary of the territory included in a proposed change such amendments shall not become effective except by the favorable vote of three-fourths (3/4) of all the members of the City Council.
(Amended 4-5-16)