S.D. Codified Laws § 15-13-1
Purposes for which reference made on agreement of parties
A reference may be ordered upon the agreement of the parties filed with the clerk or entered in the minutes:
(1) To try any or all the issues in an action or proceeding, whether of fact or law and to report a finding and conclusion thereon;
(2) To ascertain a fact necessary to enable the court to determine an action or proceeding;
(3) In all other cases provided for reference by law.
Source: SDC 1939 & Supp 1960, § 33.1501.