§ 402. Summons; time to appear and answer. (a) If the summons is
personally delivered to the defendant within the city of New York, it
shall require him to appear and answer within twenty days after its
service.

(b) If the summons is served by any means other than personal delivery
to the defendant within the city of New York, it shall provide that the
defendant must appear and answer within thirty days after proof of
service is filed with the clerk.