N.Y. Correct. Law § 350

§ 350. When and to what court application to be made. Where a person\nis imprisoned in a state prison, for a term less than for life or in a\npenitentiary or county jail, for a criminal offense, for a longer term\nthan one year; one or more trustees, to take charge of his property, may\nbe appointed, as prescribed in this article, by the county court of the\ncounty, or the supreme court in the judicial district, where he resided\nat the time of his imprisonment, or if he was not then a resident of the\nstate, where he is imprisoned.\n