S.D. Codified Laws § 10-3-3 (2026)
The county director of equalization shall be appointed by the board of county commissioners at either a special or regular meeting of the commissioners. If a single municipality contains fifty percent or more of the population of a county, the mayor of the municipality and the board of county commissioners shall make the appointment, and the mayor is entitled to sit and vote with the board.
Source: SL 1957, ch 477 , § 2; SDC Supp 1960, § 57.03A02; SL 2008, ch 37 , § 24.