S.D. Codified Laws § 9-16-10 (2026)
All moneys belonging to the retirement system not required for the payment of current annuities, pensions, retirement allowances, other benefits, or administrative expenses in lieu thereof may be invested.
Source: SL 1925, ch 239 , § 5; SL 1937, ch 177 ; SDC 1939, § 45.1202; SL 1945, ch 199 ; SL 1947, ch 204 ; SL 1949, ch 183 , § 2; SL 1955, ch 201 , § 2; SL 1967, ch 220 , § 2; SL 1979, ch 37 , § 4; SL 1984, ch 56 , § 19.