South Dakota Codified Laws
Chapter 15 - Contempt And Offenses Against The Judiciary
Section 16-15-5 - Refusal to testify as misdemeanor.

16-15-5. Refusal to testify as misdemeanor.
Every person guilty of any contempt of court by the contumacious and unlawful refusal to be sworn or affirmed as a witness; or, when so sworn or affirmed, like refusal to answer any material question, is guilty of a Class 2 misdemeanor.

Source: PenC 1877, §202, subdiv 6; CL 1887, §6402, subdiv 6; RPenC 1903, §205, subdiv 6; RC 1919, §3793 (6); SDC 1939, §13.1235 (6); SL 1979, ch 150, §9.