N.Y. CPL Law § 230.10

§ 230.10 Removal of action; from supreme court to county court and from\n county court to supreme court; at instance of court.\n Upon order of an appropriate court or judge, made at its or his own\ninstance pursuant to rules established by the appellate division of the\nappropriate department, (a) an indictment filed with the supreme court\nat a term held in a particular county outside of New York City may,\nprior to entry of a plea of guilty thereto or commencement of a trial\nthereof, be removed to the county court of such county, and (b) an\nindictment filed in a county court may similarly be removed to the\nsupreme court at a term held or to be held in the same county. Each of\nthe appellate divisions of the second, third and fourth departments may\nestablish rules authorizing such removals with respect to the superior\ncourts within its department, and prescribing the courts or judges who\nmay order such removals and other procedural matters involved therein.\n