(A) Lots shall be merged by operation of law
when a nonconforming parcel of land created before January 1, 1980 and an adjacent parcel are under common ownership; or, when any parcel of land is used, in whole or in part, for the benefit of an adjacent parcel having common ownership.
(B)Effect of merger. The merger or consolidation of two or more formerly separate, adjacent parcels under common ownership shall form one larger parcel for all purposes, and may only be subdivided by approval of the Planning Board
, whether or not the lot lines of the proposed subdivision follow along the lot lines of the former smaller parcels.