S.D. Codified Laws § 58-32-38 (2026)
An unauthorized insurer issuing such policy shall be deemed thereby to have authorized service of process against it in the manner and to the effect as provided in § 58-32-37. Any such policy shall contain a provision stating the substance of §§ 58-32-36 to 58-32-38, inclusive, and designating the person to whom the director shall mail process as provided in § 58-32-37.
Source: SL 1966, ch 111 , ch 11, § 20 (3).