N.Y. Surr. Ct. Proc. Act § 302

§ 302. Pleadings\n 1. Unless otherwise provided in this act\n (a) Pleadings shall consist of the petition, answer or objections and\naccount.\n (b) There shall be no other pleading unless directed by the court.\n (c) An answer or objection shall be served upon the return of process\nor at such later date as directed by the court.\n 2. Statements in a pleading shall be sufficiently particular to give\nthe court and parties notice of the claim, objection or defense and\nshall contain a demand for the relief sought.\n 3. Copies of all pleadings, except an account, shall be served upon\nany party who has appeared in the proceeding and demanded a copy of all\npapers be served upon him, and upon all parties upon whom the court by\norder or oral direction entered in the minutes directs that service be\nmade. A party who fails to comply with this requirement may be treated\nas a party in default.\n