Section 902 - Pleadings; form(a) All pleadings shall be formal pleadings, as in supreme court practice, except that: (1) If the plaintiff's cause of action is for money only, the cause of action may be set forth by indorsement upon the summons. The indorsement shall consist of a statement of the nature and substance of the cause of action, and the summons in such instance shall set forth the amount in which the plaintiff will take judgment in the event of default. If the plaintiff shall appear without attorney, such indorsement shall be made by the clerk.(2) Where the plaintiff's cause of action is for money only and the defendant appears without attorney, he may describe his answer to the clerk, who shall indorse the nature and substance of the answer on, or annex it to, the summons.(b) If a formal complaint must be or is used, it shall be served with the summons, except that if service is made by publication the CPLR shall govern.(c) The address of the defendant, and that of his attorney if he shall appear by attorney, shall be stated with or in the answer.(d) The rules may provide, in actions for money only in designated categories in which a party might otherwise proceed by indorsement as above provided, that a formal complaint, or a formal answer, or both, shall be required.(e) The court in any case may, at any time before judgment, on its own motion or on the motion on notice of a party, direct the service and filing of a formal pleading.N.Y. New York City Civil Court Law § 902