S.D. Codified Laws § 15-26A-12 (2026)
By its judgment, the Supreme Court may reverse, affirm, or modify the judgment or order appealed from, and may either direct a new trial or the entry by the trial court of such judgment as the Supreme Court deems is required under the record.
Source: SDC 1939 & Supp 1960, § 33.0710; SDCL, § 15-26-26 .