A.
Where the Planning Board finds that compliance with these regulations would cause unusual hardship or extraordinary difficulties because of exceptional or unique conditions of topography, access, location, shape, size, drainage or other physical features of the site, the minimum requirements of the regulations may be modified to mitigate the hardship, provided that the public interest is protected and the subdivision is in keeping with the general spirit and intent of the regulations.
B.
No such modification may be granted if it would have the effect of nullifying the intent and purpose of the Official Map, the Zoning Code or these regulations.