S.D. Codified Laws § 2-4-13 (2026)
The conviction of a member of the Legislature of any crime defined in §§ 2-4-6 to 2-4-10, inclusive, involves as a consequence, in addition to the punishment prescribed therein, a forfeiture of his office and disqualifies him from ever thereafter holding any public office under this state.
Source: SDC 1939, § 13.1012; SL 1980, ch 26 , § 16.