S.D. Codified Laws § 47-17-9
Current with legislation signed by the governor on or before 3/6/2024
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.
SDCL 47-17-9