S.D. Codified Laws § 23A-22-13
Current with legislation signed by the governor on or before 3/6/2024
In prosecutions for conspiracy in a case where an overt act is necessary to constitute the offense, a defendant cannot be convicted unless one or more overt acts are expressly alleged in the indictment or information, and unless one or more of the acts alleged are proved, but any other overt act, not alleged in the indictment or information, may be received as evidence.
SDCL 23A-22-13