In the case of any lot or plot substandard in area or width by the terms of this chapter, the rights acquired or existing therein for the use of said lot or plot as a building parcel shall terminate and become nonexistent and void should the said substandard plot merge in fee with any adjoining land or property. Such merger shall be deemed to occur when the same person or persons acquire, obtain or have fee ownership in both parcels, whether by purchase, sale, devise, gift or otherwise.

Exceptions to height requirements.

Extensions into required front or rear yard. Extensions of a structure into a required front or rear yard shall be permitted as follows:

Extensions into required side yard. Extension of a structure into a required side yard shall be permitted as follows: The same provisions shall apply as for extensions into required front and rear yards, except that no porch, vestibule, terrace or outside stairway exceeding three feet above grade shall project more than three feet into any required side lot line, and an outside stairway may extend into any required side yard only if the same is unroofed and unenclosed.

Alteration or enlargement of existing structures. Anything set forth in the Schedule of Regulations governing minimum front, rear and side yards notwithstanding, any structure existing as a lawful nonconforming structure by reason of failure to comply with either the minimum front, rear or side yard requirements of this chapter may nevertheless be altered or enlarged; provided, however, that any such alteration or enlargement shall comply with all other applicable requirements of this chapter and shall not further encroach into the front, rear or side yard with respect to which the deficiency exists which renders the said structure nonconforming, subject to the proviso, however, that any existing roofed, open front porch of any such dwelling which fails to comply with the minimum required front yard setback may be enclosed if the setback thereof is not less than the average of the front yard setbacks of the existing buildings on the same side of the street in the block in which such dwelling is situated.

In the entirety of the C Commercial Zone, C-R Commercial/Residential Zone, and C-R HD Commercial/Residential High Density Zone, any new use, except businesses seeking to operate on a twenty-four-hour-a-day basis and any new residential use, permitted in the zone moving into existing nonresidential space shall be exempt from the parking requirements herein, provided that no existing parking is eliminated by the change of use.

Gasoline station island canopies and primary signage. If a gasoline station is located more than 200 feet from any lot in an R-1, R-2, R-1A or R-3 Zone, Planning Board or Zoning Board approval is not required for the following two exceptions to lot coverage and height requirements: