None of the arbitrators, mediators, conciliators, witnesses, parties, or representatives of the parties involved in the arbitration, mediation, or conciliation of an international dispute pursuant to this part 5 shall be subject to service of process on any civil matter while such persons are present in this state for the purpose of participating in the arbitration, mediation, or conciliation of that international dispute.
C.R.S. § 13-22-507