N.Y. Pub. Off. Law § 28

§ 28. Receivers, assignees and trustees deemed public officers. A\nreceiver, an assignee of an insolvent debtor, or a trustee or other\nofficer, appointed by a court or a judge, is a public officer, within\nthe meaning of this article; but where he was appointed by or pursuant\nto the order of a court, or in proceedings supplementary to execution\nagainst property, the application for leave to prosecute his official\nbond or undertaking must be made to the court by which, or pursuant to\nwhose order, he was appointed, or in which the judgment was rendered, as\nthe case may be.\n