SDCL § 33-10-138: Refusal to appear or testify.

Any person not subject to this code who:

(1) Has been duly subpoenaed to appear as a witness or to produce books and records before a court-martial or court of inquiry, or before any military or civil officer designated to take a deposition to be read in evidence before such a court; and

(2) Willfully neglects or refuses to appear, or refuses to qualify as a witness or to testify or to produce any evidence which that person may have been legally subpoenaed to produce;

may be punished by the military court in the same manner as a criminal court of the state.