S.D. Codified Laws § 21-29-2 : — JUDICIAL REMEDIESWRIT OF MANDAMUS —29-2 - Writ issued when ordinary remedy inadequate-Application and affidavit
The writ of mandamus must be issued in all cases where there is not a plain, speedy, and adequate remedy, in the ordinary course of law. It must be issued upon affidavit, upon the application of the party beneficially interested.