N.Y. Real Property Law § 292: By whom conveyance must be acknowledged or proved

§ 292. By whom conveyance must be acknowledged or proved. Except as

otherwise provided by this article, such acknowledgment can be made only

by the person who executed the conveyance, and such proof can be made

only by some other person, who was a witness of its execution, and at

the same time subscribed his name to the conveyance as a witness.