A.
Whenever the public necessity, convenience, general welfare or good zoning practice justify such action, the city council or the planning commission upon its own motion may, or upon the verified application of any interested person shall, initiate proceedings to amend, supplement or change the zones, regulations or districts established by this title.
B.
With the exception of amendments changing property from one zone to another, or changing the boundary of any zone, amendments may be made in the same manner as the zoning ordinance from which this title derives was adopted.
(Ord. 1719 § 1, 2010)