S.D. Codified Laws § 47-21-18
Current with legislation signed by the governor on or before 3/6/2024
The board of directors shall adopt the first bylaws of a cooperative to be adopted following an incorporation, conversion, merger, or consolidation. Thereafter the members shall adopt, amend, or repeal the bylaws by the affirmative vote of a majority of those members voting thereon at a meeting of the members.
SDCL 47-21-18