S.D. Codified Laws § 47-15-8
Current with legislation signed by the governor on or before 3/6/2024
At any member meeting, a cooperative may adopt any amendment to its articles which is lawful under §§ 47-15-4 and 47-15-5, if a statement of the proposed amendment was contained in the notice of the meeting.
An amendment is adopted if approved by a majority of any quorum of members voting thereon at the meeting.
SDCL 47-15-8