S.D. Codified Laws § 7-1-70
Current with legislation signed by the governor on or before 3/6/2024
If a two-thirds majority of the votes cast at an election held pursuant to § 7-1-69 are in favor of changing the name of the county, the county auditor shall within ten days after the canvass of the vote, certify under the seal of the county auditor's office to the secretary of state, the result of the canvass of the votes cast at the election, and the new name of the county.
SDCL 7-1-70