South Dakota Codified Laws
Chapter 11 - Change Of Form Of Government
Section 9-11-9 - First election after change in form of municipal government.

9-11-9. First election after change in form of municipal government.
If an election changes the form of government or number of commissioners, wards, or trustees is approved, at the next annual municipal election or at a special election called by the governing board and held pursuant to §9-13-14, officers shall be chosen under the changed form of government.

Source: SDC 1939, §45.0504; SL 2000, ch 34, §5.