N.Y. CVR. LAW § 79-e : NY Code - Section 79-E: Right to breast feed

Notwithstanding any other provision of
  law, a mother may breast feed  her  baby  in  any  location,  public  or
  private, where the mother is otherwise authorized to be, irrespective of
  whether  or  not  the nipple of the mother's breast is covered during or
  incidental to the breast feeding.