N.Y. Uniform District Court Act Law § 402

§ 402. Summons; time to appear and answer.\n (a) If the summons is personally served within the county on a natural\nperson pursuant to CPLR § 308(1), or on a corporation pursuant to CPLR §\n311(1), it shall require the defendant to appear and answer within\ntwenty days after its service.\n (b) If the summons is served otherwise than as designated in\nsubdivision (a), it shall provide that the defendant must appear and\nanswer within thirty days after proof of service is filed with the\nclerk.\n