California Code, Public Resources Code - PRC § 33507

A majority of the members appointed to the governing board of the conservancy shall constitute a quorum, and, except as provided in subdivision (b) of Section 33702, no official action relating to the acquisition of any interest in real property shall be taken by the governing board except in the presence of a quorum and upon the recorded votes of a majority of the members appointed to the governing board. Any official action affecting any matter other than relating to the acquisition of an interest in real property shall be taken by the governing board in the presence of a quorum and upon the recorded votes of a majority of the members appointed to the governing board who are present and voting.