S.D. Codified Laws § 21-32-9
Current with legislation signed by the governor on or before 3/6/2024
When the State of South Dakota is made defendant pursuant to § 21-32-8, service shall be made upon it by the service of a copy of the summons and complaint upon the attorney general, who shall represent the state in the action and protect its rights and interest, if any it has in said real or personal property and he may require the state's attorney of the county where said property is situated to assist him in such litigation.
SDCL 21-32-9