S.D. Codified Laws § 62-3-17
Voluntary waiver of exemption by insuring liability
As to any employee excepted under § 62-3-15 , the employer may place himself or herself under the provisions of this title by voluntarily insuring his or her liability as provided in §§ 62-5-1 to 62-5-5 , inclusive.
Source: SL 1923, ch 312; SDC 1939, § 64.0201; SL 1974, ch 333, § 6; SL 2008, ch 278, § 13.