SDCL § 23A-14A-8: Exemption of prisoner from another state from arrest or service of process.

If a witness from another state comes into or passes through this state under an order directing the witness to attend and testify in this or another state, the witness is not subject, while in this state pursuant to the order, to arrest or the service of process, civil or criminal, because of any act committed prior to this arrival in this state under the order.

Source: SL 2002, ch 119, § 8.