S.D. Codified Laws § 1-11-40 (2026)
A magistrate judge or circuit court judge may approve an investigative subpoena upon finding that the application submitted pursuant to § 1-11-38 establishes reasonable cause to believe the business records of a provider are material to an active criminal investigation. Judicial approval may be provided by written order or by signature on the investigative subpoena. An investigative subpoena approved pursuant to this section is enforceable anywhere in this state and has the same force and effect as any subpoena issued under the laws of this state.
Source: SL 2026, ch 2 , § 4.