A person shall not be liable to be sued in a county in which that person does not reside by being served with a summons in such county while going, returning, or attending as a witness in obedience to a subpoena.
Witness exempt from suit out of county
N.D.C.C. § 31-01-15 — under Witnesses, Their Qualifications, Rights, and Duties.
N.D.C.C. § 31-01-15