N.Y. Not-for-Profit Corporation Law § 1605
(a)
(i) A majority of the members of the board, not including vacancies, shall constitute a quorum for the conduct of business. All actions of the board shall be approved by the affirmative vote of a majority of the members of that board present and voting; provided, however, no action of the board shall be authorized on the following matters unless approved by a majority of the total board membership: