N.Y. Private Housing Finance Law § 801-a

§ 801-a. Application to certain garden-type maisonette dwelling\nprojects. For purposes of this article an existing multiple dwelling\nshall be deemed to include any garden-type maisonette dwelling project\nconsisting of a series of dwelling units which together and in their\naggregate were arranged or designed to provide three or more apartments\nand are provided as a group collectively with all essential services\nsuch as, but not limited to, water supply, house sewers and heat, and\nwhich are in existence and operated as a unit under single ownership on\nthe date upon which an application for a loan pursuant to this article\nis received by the municipality, notwithstanding that certificates of\noccupancy were issued for portions thereof as private dwellings.\n