S.D. Codified Laws § 1-44-6 (2026)
Terms of members of the Transportation Commission are four years. Any member appointed to fill a vacancy arising from other than the natural expiration of a term shall serve for only the unexpired portion of the term.
Source: SL 1973, ch 2 , § 233; SL 1973, ch 184 , § 2; SL 1979, ch 355 , § 20; SL 1980, ch 369 ; SL 1983, ch 391 , § 18; SL 2010, ch 145 , § 2.