S.D. Codified Laws § 58-27-26 (2026)
With the consent of the director of the Division of Insurance, an insurer may invest in the stock of its majority owned subsidiary insurance corporation; or in the stock of any other majority owned corporation.
Source: SL 1966, ch 111 , ch 6, § 16; SL 1969, ch 130 ; SL 1983, ch 376 , § 3.