S.D. Codified Laws § 4-1-4
Administrative direction and supervision by secretary of state--Independent functions retained by board
The Board of Finance shall be administered under the direction and supervision of the secretary of state, but shall retain the quasi - judicial, quasi - legislative, advisory, other nonadministrative, and special budgetary functions (as defined in § 1-32-1 ) otherwise vested in it and shall exercise those functions independently of the secretary of state.
Source: SL 1974, ch 6, § 2.