Section 402 - Summons; time to appear and answer(a) If the summons is personally served within the county on a natural person pursuant to CPLR § 308(1), or on a corporation pursuant to CPLR § 311(1), it shall require the defendant to appear and answer within twenty days after its service.(b) If the summons is served otherwise than as designated in subdivision (a), it shall provide that the defendant must appear and answer within thirty days after proof of service is filed with the clerk.N.Y. Uniform District Court § 402