N.Y. RPP Law § 339-P

§ 339-p. Copy of floor plans to be filed. Simultaneously with the\nrecording of the declaration there shall be filed in the office of the\nrecording officer a set of the floor plans of the building showing the\nlayout, locations, and approximate dimensions of the units, stating the\ndeclarants' names, and bearing the verified statement of a registered\narchitect or licensed professional engineer certifying that it is an\naccurate copy of portions of the plans of the building as filed with and\napproved by the municipal or other governmental subdivision having\njurisdiction over the issuance of permits for the construction of\nbuildings. If such floor plans do not contain unit designations\ncertified by the appropriate local tax authorities as conforming to the\nofficial tax lot number, there shall be filed in the office of the\nrecording officer prior to the first conveyance of a unit a floor plan\ncontaining a unit designation certified by the appropriate local tax\nauthority as conforming to the official tax lot number. It shall be the\nduty of the appropriate local tax authority to provide such number for\neach unit upon completion of such unit. If such plans do not include a\nverified statement by such architect or engineer that such plans fully\nand fairly depict the layout, location, unit designations and\napproximate dimensions of any particular unit or units as built, there\nshall be recorded prior to each first conveyance of such particular unit\nor units an amendment to the declaration to which shall be attached a\nverified statement of a registered architect or licensed professional\nengineer certifying that the plans theretofore filed, or being filed\nsimultaneously with such amendment, fully and fairly depict the layout,\nlocation, unit designations and approximate dimensions of the particular\nunit or units as built. Such plans shall be designated "condominium",\nassigned a file number and kept on file by the recording officer. Such\nplans shall be indexed under the names of the declarants and in the\nblock index if any. The record of the declaration shall contain a\nreference to the file number of the floor plans of the building affected\nthereby.\n