No building or structure or part thereof shall be erected, altered, or enlarged for a use, nor shall any existing building, structure or part thereof, or land, be used for a purpose or in a manner that is not in conformity with the uses listed as permitted uses for the zone in which such buildings, structure, or land is situated subject to the provisions of Chapters 17.20 through 17.48 of this title, except that any land, building or structure may be erected or used for a purpose listed as a conditional use in such zone provided that a conditional use permit therefore is secured in accordance with the provisions of Article II. of Chapter 17.68.
(Ord. 1178 § 6.2.1, 1987)