S.D. Codified Laws § 23A-44-2 (2026)
A prosecuting attorney may file a dismissal of an indictment, information, or complaint and the prosecution shall thereupon terminate. Such a dismissal may not be filed during a trial without the consent of the defendant.
Source: SDC 1939 & Supp 1960, § 34.2204; SDCL, § 23-34-7; SL 1978, ch 178 , § 535.