N.Y. New York City Civil Court Act § 909: Pleadings; amended and supplemental

§ 909. Pleadings; amended and supplemental. (a) A party may amend his

pleading once without leave of court at any time before the period for

responding to it expires, or within ten days after its service or the

service of a pleading responding to it. An amended pleading which

requires a responsive pleading shall be responded to within ten days

after it is served, or within ten days after the expiration of the

period during which the original pleading could have been responded to,

whichever is later.

(b) Except as provided in subdivision (a), the CPLR shall govern

amended and supplemental pleadings in this court.