S.D. Codified Laws § 58-6-26 (2026)
As to surplus required for qualification to transact one or more kinds of insurance and thereafter to be maintained, domestic mutual insurers formed after June 30, 1966, are governed by chapters 58-5 and 58-35 and domestic reciprocal insurers formed after June 30, 1966, are governed by chapter 58-34.
Source: SL 1966, ch 111 , ch 3, § 10 (4).