A.
Uses of buildings or structures shall be required to conform to the regulations of the applicable zoning district, whenever, with respect to the building or structure, the square footage of a building or structure is enlarged, or the building or structure is structurally altered as provided in the Uniform Statewide Building Code, Section 36-97 et seq.
B.
No building in which a nonconforming use is conducted and which has been declared by a duly authorized public official to be unsafe shall be restored, repaired or rebuilt for any use other than ones permitted in the zoning district in which such building is located.
C.
Any change in a nonconforming use authorized pursuant to the provisions of this Article shall be subject to the requirements of § 72-66.