(A) Except as provided in subsection B below, a judge shall not provide services as a private arbitrator or mediator or otherwise perform judicial functions in a private capacity unless expressly authorized by law.
(B) A judge who is in senior active service pursuant to RSA 493-A:1 or who has reached age 70 but continues to sit as a judicial referee pursuant to RSA 493-A:1-a may serve as a private mediator or arbitrator, and may be privately compensated for such services in accordance with this subsection. To the extent the senior judge or judicial referee provides mediation or arbitration services pursuant to Superior Court Rules 30, 32, 33, or 34, he or she shall comply with the certification requirements of those rules.
(1) A senior judge or judicial referee may b