Section 801-A. Application to certain garden-type maisonette dwelling projects

For purposes of this article  an  existing  multiple  dwelling
  shall  be  deemed to include any garden-type maisonette dwelling project
  consisting of a series of dwelling units which  together  and  in  their
  aggregate  were arranged or designed to provide three or more apartments
  and are provided as a group collectively  with  all  essential  services
  such  as,  but  not limited to, water supply, house sewers and heat, and
  which are in existence and operated as a unit under single ownership  on
  the  date  upon which an application for a loan pursuant to this article
  is received by the municipality, notwithstanding  that  certificates  of
  occupancy were issued for portions thereof as private dwellings.