This Zoning Code and Zone Map may be amended periodically in order to keep them abreast of new zoning techniques, as well as when the following general conditions arise:
   (a)    Whenever a general hardship prevails throughout a given district;
   (b)    Whenever a change occurs in land use, transportation or other sociological trends, either within or surrounding the community, and
   (c)    Whenever extensive developments are proposed.
   Such amendments shall be made in accordance with the legislative procedures set forth in this chapter.
(Ord. 21-1963. Passed 7-9-63.)