Upon petition to the Planning Board or upon motion of the Planning
Board, and after a duly advertised public hearing upon said matter,
the Board may establish, amend or waive any requirement as specified
herein or any approving resolution of said Board of a filed plat or
final plat to be filed in the Suffolk County Clerk's office,
upon proof of necessity or unusual and/or extenuating circumstances
which do or do not now merit the requirement.