S.D. Codified Laws § 12-9-14 (2026)
The nominees shall be those persons constituting twice the number of persons to be elected receiving the highest number of votes in the primary election.
Source: SL 1921, ch 224 , § 5; SL 1925, ch 162 , § 2; SDC 1939, § 16.0305; SL 1968, ch 143 , § 4; SL 1974, ch 118 , § 44.