A nonconforming use of land existing at the effective date of this Zoning Code may be continued, provided that no such nonconforming use of land shall be in any way expanded or extended, either on the same or adjoining property. If such nonconforming use of land or any portion thereof is discontinued for a continuous period of one year, any future use of such land shall be in conformity with the provisions of this Zoning Code.
(1980 Code 153.146)