A.
Except as otherwise provided in this article, the lawful use of land or buildings existing at the date of the adoption of this chapter are hereby defined nonconforming uses and may be continued although such use or building does not conform to the regulations specified by this chapter for the zone in which such land or building is located.
B.
No nonconforming building shall be enlarged, extended or increased unless such enlargement would tend to reduce the degree of nonconformance.
D.
Nonconforming use rights, subject to the provisions of this Article IV, remain with the land when title is transferred. [See §§ 308-9Q and 308-25D(3).]