N.Y. C.P.L.R. 3011

§ 3011. Kinds of pleadings. There shall be a complaint and an answer.\nAn answer may include a counterclaim against a plaintiff and a\ncross-claim against a defendant. A defendant's pleading against another\nclaimant is an interpleader complaint, or against any other person not\nalready a party is a third-party complaint. There shall be a reply to a\ncounterclaim denominated as such, an answer to an interpleader complaint\nor third-party complaint, and an answer to a cross-claim that contains a\ndemand for an answer. If no demand is made, the cross-claim shall be\ndeemed denied or avoided. There shall be no other pleading unless the\ncourt orders otherwise.\n