N.Y. Soc. Serv. Law § 472-h

§ 472-h. Election of directors. On the first day of May in each year\nat least four in number of the board of directors shall be elected by\nthe corporation in such manner and place as the by-laws shall direct,\nbut if no election is held on any such day the election may be held on\nany subsequent day, and any vacancies occurring otherwise than by the\nexpiration of a regular term may be filled for the balance of such term\nin accordance with the by-laws of this corporation and by the votes of a\nmajority of the directors then in office.\n