In conjunction with a certification pursuant to Section 62-812 (Zoning lot subdivision), a zoning lot that existed before December 10, 2020, containing any portion of publicly accessible private street may be subdivided into two or more zoning lots or reconfigured in a manner that would reduce its area or dimension, provided that the Chairperson of the City Planning Commission certifies that the provisions of paragraph (a), (b) or (c) of such Section are satisfied as to waterfront public access area, visual corridors and publicly accessible private streets, respectively. For the purposes of applying such provisions, the regulations pertaining to waterfront public access areas and visual corridors shall also be applied to publicly accessible private streets.