22.— (1) An arbitrator shall not be liable in any proceedings for anything done or omitted in the discharge or purported discharge of his or her functions.

(2) Subsection (1) shall apply to an employee, agent or advisor of an arbitrator and to an expert appointed under Article 26, as it applies to the arbitrator.

(3) An arbitral or other institution or person designated or requested by the parties to appoint or nominate an arbitrator shall not be liable for anything done or omitted in the discharge or purported discharge of that function.

(4) An arbitral or other institution or person by whom an arbitrator is appointed or nominated shall not be liable for anything done or omitted by the arbitrator (or his or her employees or agents) in the discharge or purported discharge of his or her functions as arbitrator.

(5) Subsections (3) and (4) shall apply to an employee or agent of an arbitral or other institution or person as they apply to that arbitral or other institution or that person mentioned in those subsections.