A Note of Issue is a crucial document in a contested divorce in New York, notifying the court of the case's readiness for trial. It requires completion of necessary discovery, certification of readiness, and identification of issues. Filing a Note of Issue can lead to trial scheduling, increased costs, and emotional stress for both parties. Resources include the New York State Unified Court System, New York City Bar Association, American Academy of Matrimonial Lawyers, and National Center for State Courts.