N.Y. Gen. Oblig. Law § 13-103

§ 13-103. Transfer of judgment for sum of money. A judgment for a sum\nof money, or directing the payment of a sum of money, recovered upon any\ncause of action, may be transferred; but if it is vacated or reversed,\nthe transfer thereof does not transfer the cause of action unless the\nlatter was transferable before the judgment was recovered. A person who\nexecutes such a transfer without acknowledging his signature before an\nofficer authorized to take the acknowledgment of a deed must so\nacknowledge it at the request of his assignee or of a subsequent\nassignee or of the judgment debtor upon payment of the officer's fees.\n