If a witness from another state comes into or passes through this state under an order directing him to attend and testify in this or another state, he shall not while in this state pursuant to the order be subject to arrest or the service of process, civil or criminal, because of any act committed prior to his arrival in this state under the order.
Utah Code § 77-33-8
Exemption of prisoner from another state from arrest or service of process
Enacted by Chapter 15, 1980 General Session
Official source: Utah State Legislature. Reproduced from public-domain Utah statutes; confirm against the official source for the current text. Not legal advice.