2006 New York Code - 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.