Sec. 9. 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.
Mich. Comp. Laws § 780.119
Immunity of witness; arrest or service of process
1967, Act 161, Imd
Official source: Michigan Legislature. Reproduced from public-domain Michigan statutes; confirm against the official source for the current text. Not legal advice.