Unless a greater number is required in the bylaws of a cooperative, a majority of the directors in office shall constitute a quorum for transaction of business. Unless a greater number is required in the bylaws, an act of the majority of the directors present at a meeting at which a quorum is present shall be the act of the board. Source: SDC 1939, § 11.1124 (2) as enacted by SL 1965, ch 23 , § 1.