S.D. Codified Laws § 25-4-35
Current with legislation signed by the governor on or before 3/6/2024
All actions or proceedings had before July 1, 1959, for divorce pursuant to chapter 179 of the Session Laws of 1957, and all actions or proceedings commenced pursuant thereto prior to said date, and completed thereafter by entry of judgment or decree therein, are hereby legalized, cured, and validated, notwithstanding that service of the summons therein was by publication or in any other manner provided by statute.
SDCL 25-4-35