This statute sets confidentiality and disclosure guidelines for communications made during mediation. The statute stipulates that disclosure is only allowed if "a party brings an action against the mediator or if the communication was made in furtherance of a crime or fraud."
South Dakota Statute 19-19-515: Mediation Privilege
South Dakota Legislature. Jan. 1, 2018http://sdlegislature.gov/statutes/Codified_laws/DisplayStatute.aspx?Statute=19-19-515&Type=Statute