A nonconforming use of a tract of land, or portion thereof, may be continued. No such nonconforming use of land shall in any way be expanded or extended either on the same or any adjoining tract of land. A nonconforming use of land shall be deemed abandoned by nonuse for a period of one (1) year after the use became nonconforming. If such nonconforming use of land has been or becomes abandoned, such land shall not thereafter be used or occupied except for a use which conforms to the use regulations of the zone in which the use is located. (PZSC § 03-05-006)