S.D. Codified Laws § 24-13-13

A former member of the Board of Pardons and Paroles is eligible, upon the request of the chair of the Board of Pardons and Paroles, to serve as an auxiliary member for a period of four years following the former member's service on the board. An auxiliary member has the same statutory powers and privileges, unless otherwise excluded pursuant to §§ 24-13-14 to 24-13-16, inclusive, as a member of the Board of Pardons and Paroles. Service as an auxiliary member does not require appointment pursuant to § 24-13-1.