S.D. Codified Laws § 21-32-18
Current with legislation signed by the governor on or before 3/6/2024
In order for waiver of sovereign immunity in § 21-32-16 to be effective in an action against a state official, employee, or agent; notice of the action shall be given to the attorney general as provided in § 15-6-4(d). The attorney general shall within thirty days after the receipt of service, sign and date the admission of service and mail it to the sender. Any judgment rendered in an action involving waiver of sovereign immunity pursuant to § 21-32-16 is void unless service has been made as provided herein.
SDCL 21-32-18