N.Y. New York City Civil Court Law § 909

§ 909. Pleadings; amended and supplemental. (a) A party may amend his\npleading once without leave of court at any time before the period for\nresponding to it expires, or within ten days after its service or the\nservice of a pleading responding to it. An amended pleading which\nrequires a responsive pleading shall be responded to within ten days\nafter it is served, or within ten days after the expiration of the\nperiod during which the original pleading could have been responded to,\nwhichever is later.\n (b) Except as provided in subdivision (a), the CPLR shall govern\namended and supplemental pleadings in this court.\n