SDCL § 26-7A-9: State's attorneys to represent state and Department of Social Services--Exemption.

The state's attorney shall represent the state in all proceedings brought under this chapter and chapter 26-8A, 26-8B, or 26-8C. The state's attorney shall also represent the Department of Social Services in any proceedings brought under this chapter or chapter 26-8A unless the Department of Social Services has selected a separate attorney and has so informed the concerned state's attorney and the court.