S.D. Codified Laws § 31-21-3
Current with legislation signed by the governor on or before 3/6/2024
The chairman of the township board of supervisors or board of county commissioners shall cause the notice required by § 31-21-1, together with the affidavit, to be filed in the office of the township clerk or county auditor, and the clerk or auditor shall make true copies of such notice and deliver them to the person making the affidavit whose duty it shall be to serve the same personally upon each of the owners of the land, if residents of the county, or upon the occupants of the land, if the owners are nonresidents of the county, through which it is proposed to open such ditch.
SDCL 31-21-3