South Dakota Codified Laws — Title 10 (Taxation)
SDCL § 10-38-25 — Sale of utility property for special assessment
If the special assessment or assessments for which such property is distrained, and the accrued costs thereon, are not paid before the day appointed for such sale, such treasurer shall proceed to sell such property at public auction, or so much thereof as shall be sufficient to pay such special assessment, penalty, and cost of such seizure and sale.
Source: official text