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New York Consolidated Laws

N.Y. General Construction Law § 11 (2026)

Acknowledgment or proof of instrument

✓ text as retrieved May 2026 (this copy records no edition or section history)
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§ 11. Acknowledgment or proof of instrument. When the execution of any
instrument or writing is authorized or required by law to be
acknowledged, or to be proven so as to entitle it to be filed or
recorded in a public office, the acknowledgment may be taken or the
proof made before any officer then and there authorized to take the
acknowledgment or proof of the execution of a deed of real property to
entitle it to be recorded in a county clerk's office, and shall be made
and certified in the same manner as such acknowledgment or proof of such
deed.
Notes of Decisions
Cited in 3 cases, 1989–2018 · leading case: In re Maimonides Med. Ctr., 173 Misc. 2d 111 (N.Y. Sup. Ct. 1997).
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In re Maimonides Med. Ctr., 173 Misc. 2d 111 (N.Y. Sup. Ct. 1997). “(Civ Prac Act §§ 4, 5; General Construction Law §§ 11, 11-a, 12, 46-a.”
In re the Est. of Henken, 150 A.D.2d 447 (N.Y. App. Div. 2d Dep't 1989). “Alternatively, proof of the valid execution of an instrument, sufficient to permit its recordation, may be elicited from some other person who was a witness to its execution and who, at the same time, subscribed his name to the instrument or conveyance as a witness (see, Real…”
Matter of Koegel, 2018 NY Slip Op 833 (N.Y. App. Div. 2d Dep't 2018). “A proper acknowledgment requires both an oral declaration by the signer of the document made before an authorized officer and a written certificate of acknowledgment, attached to the agreement, endorsed by an authorized public officer attesting to the oral declaration ( see Real…”
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