S.D. Codified Laws § 21-40-3 (2026)
When in any action under this chapter it appears to the court that any owner, lien holder, or person interested in any of the tracts involved ought, for a full settlement and adjudication of all the questions involved, to be made a party, the court shall stay the proceedings in said action and order that they be made parties defendant and be served with the summons therein.
Source: SL 1923, ch 140 , § 2; Supreme Court Rule 577, 1939; SDC 1939 & Supp 1960, § 37.1302.