N.Y. Relig. Corp. Law § 189-C
The chairman of the board of trustees of any incorporated church or society to which this article is applicable or any two members of such board may call a meeting of such trustees by giving at least twenty-four hours' notice thereof, personally or by mail, to all the other trustees, but by the unanimous consent of the trustees a meeting may be held without previous notice thereof. A majority of the trustees lawfully convened shall constitute a quorum for the transaction of business. In case of a tie vote at the meeting of the trustees the presiding officer of such meeting shall, notwithstanding he had voted once, have an additional casting vote. In case of a vacancy in the office of trustee the remaining trustees may fill such vacancy until the next annual corporate meeting when the vacancy shall be filled for the unexpired term.
N.Y. Relig. Corp. Law § 189-C