SDCL § 19-19-501: Privileges recognized only as provided.

Except as otherwise provided by constitution or statute or by this chapter or other rules promulgated by the Supreme Court of this state, no person has a privilege to:

(1) Refuse to be a witness;

(2) Refuse to disclose any matter;

(3) Refuse to produce any object or writing; or

(4) Prevent another from being a witness or disclosing any matter or producing any object or writing.