Except as hereinafter provided, no building or structure or part thereof and no lot or land or part thereof shall hereafter be used except for a purpose specifically permitted by the provisions of the Table of Use Regulations for the district in which such building or structure, lot or land is located on the Zoning Map.[1]

Any lawfully existing use that does not conform to the use regulations of this chapter shall be deemed a nonconforming use. (See Article VIII.)

A special exception use authorized by the Planning Board shall be deemed a conforming use.

Except as hereinafter provided, no building or structure or part thereof shall hereafter be erected, structurally altered, enlarged, rebuilt or moved except in conformity with the provisions of the Table of Dimensional Regulations for the district in which such building or structure is located on the Zoning Map.[1]

Any lawfully existing building or structure that does not conform to such dimensional regulations of this chapter shall be deemed a nonconforming building or structure, irrespective of the use to which it is put. (See Article VIII.)

A building or structure or part thereof authorized as a variance from the dimensional regulations of this chapter granted by the Board of Appeals shall be deemed a nonconforming building or structure or part thereof.