6 GCA § 3106: Witnesses Protected From Arrest.

Every person who has been, in good faith, served with a subpoena to attend as a witness before a court, judge, commissioner, referee or other person, in a case where the disobedience of the witness may be punished as a contempt, is exonerated from arrest in a civil action while going to the place of attendance and necessarily remaining there, and returning therefrom.