N.Y. Pub. Health Law § 1605

§ 1605. Meetings. 1. The board shall meet at least once every three\nmonths. Special meetings shall be called by the chairman on his own\ninitiative or upon the written request of two voting members. Ten days'\nwritten notice of the time, place and purpose of each meeting shall be\ngiven to each member of the board.\n 2. Four voting members of the board shall constitute a quorum to\ntransact the business of the board. A majority vote shall be necessary\nfor any action taken by the board except as provided in subdivision one\nof section sixteen hundred six of this article.\n