S.D. Codified Laws § 7-16B-22
There is established a county legal expense relief board to consist of five county commissioners from participating counties appointed by the executive board of the association of county commissioners established pursuant to § 7-7-28. The executive board of the association may appoint an alternate board member to serve when the county legal expense relief board does not have a quorum at meeting. The alternate board member may be a county commissioner or a county manager appointed pursuant to § 7-8A-4. Board members shall serve staggered terms of four years or until their term as county commissioner has expired. Per diem costs for the board shall be established by the executive board of the association and shall be paid from funds collected by the association.
SDCL 7-16B-22