N.Y. Domestic Relations Law § 232
a. In an action to annul a marriage or for divorce or for separation, if the complaint is not personally served with the summons, the summons shall have legibly written or printed upon the face thereof: "Action to annul a marriage", "Action to declare the nullity of a void marriage", "Action for a divorce", or "Action for a separation", as the case may be, and shall specify the nature of any ancillary relief demanded. A judgment shall not be rendered in favor of the plaintiff upon the defendant's default in appearing or pleading, unless either (1) the summons and a copy of the complaint were personally delivered to the defendant; or (2) the copy of the summons (a) personally delivered to the defendant, or