The text
A.
Maintenance; Regulations:
1.
The nonconforming use of a building or structure existing at the time of the applicable zoning regulations became or becomes effective may be continued.
2.
A vacant nonconforming building or structure may be occupied by a use for which the building or structure was designed or intended if so occupied within a period of one year after the building or structure became nonconforming.
3.
A nonconforming use may be extended to include the entire floor area of the existing building in which it was conducted at the time use became nonconforming.
4.
Except by permit of the board of adjustment as provided in chapter 4 of this title, the nonconforming use of a building or structure may not be changed except to a conforming use; but where such change is made to a conforming use, the use shall not thereafter be changed back to a nonconforming use.
B.
Abandonment by Nonuse: The nonconforming use of a building or structure or portion thereof shall be deemed abandoned by nonuse during a continuous period of one year. If a nonconforming use of any such building or structure or portion thereof has been or shall be abandoned, the same shall not thereafter be occupied or used except for a use which conforms to the use regulations of the zone in which it is located.
(1985 Code §§ 19-11-4,19-11-5)