N.Y. Real Prop. Acts. Law § 272

§ 272. Construction of grant of appurtenances, and all of the rights\nand estate of the mortgagor. In any mortgage on a lease of real property\nthe words "together with the appurtenances and all the estate and rights\nof the part ...... of the first part of, in and to said premises under\nand by virtue of the aforesaid indenture of lease," must be construed as\nmeaning, together with all and singular the edifices, buildings, rights,\nmembers, privileges and appurtenances thereunto belonging or in anywise\nappertaining; and also all the estate, right, title, interest, term of\nyears yet to come and unexpired, property, possession, claim and demand\nwhatsoever, as well in law as in equity, of the said mortgagor or\nobligor, of, in and to the said demised premises, and every part and\nparcel thereof, with the appurtenances; and also the said indenture of\nlease, and the renewal therein provided for, and every clause, article\nand condition therein expressed and contained.\n