S.D. Codified Laws § 49-13-25

In the trial of an action pursuant to § 49-13-24, the evidence introduced in the proceedings before the commission shall constitute the record and evidence on the trial of the case in court. No additional evidence other than that introduced before the commission may be introduced at the court trial. The report and order of the commission in the premises shall be taken and held to be prima facie evidence of the facts stated therein.