N.Y. RPA Law § 341

§ 341. Recitals as to heirships in conveyances. Hereafter, in any\nspecial proceeding or action in any of the courts of this state, any\ndeed, mortgage, lease, release, power of attorney or other instrument\nmore than ten years old, executed for the purpose of transferring the\ntitle to or interest in lands, tenements or hereditaments situated\nwithin this state, which contains recitals that the grantors, grantees,\nor either, or both, are the heirs at law of a prior owner of the title\nor interest described in said instrument, or a survivor of a tenancy by\nthe entirety or joint tenancy, shall be presumptive evidence of said\nheirship, or of such survivorship, as therein recited, if such\ninstrument be duly acknowledged or witnessed and proved in any manner\nrequired or permitted at the date of the execution thereof, and be duly\nrecorded in any county where any part of the lands described therein\nshall be located, or duly recorded in the office of the secretary of\nstate of the state of New York.\n