If a person comes into this state in obedience to a
summons directing him or her to attend and testify in this state
he or she shall not while in this state pursuant to such summons
be subject to arrest or the service of process, civil or
criminal, in connection with matters which arose before his or
her entrance into this state under the summons.
If a person passes through this state while going to another
state in obedience to a summons to attend and testify in that
state or while returning therefrom, he or she shall not while so
passing through this state be subject to arrest or the service of
process, civil or criminal, in connection with matters which
arose before his or her entrance into this state under the
summons.
[2010 c 8 § 1052; 1943 c 218 § 4; Rem. Supp. 1943 § 2150-4.]