New Jersey Statutes Title 2A. Administration of Civil and Criminal Justice 2A § 23A-22

a. The number or selection of arbitrators may be stipulated by mutual consent of all of the parties to the action, which stipulation shall be made in writing prior to or at the time notice is given that the controversy is to be submitted to arbitration.  The assignment judge shall approve the arbitrators agreed to by the parties, whether or not the designated arbitrators satisfy the requirements of subsection b. of this section, upon a finding that the designees are qualified and their serving would not prejudice the interest of any of the parties.

b. If the parties fail to stipulate the number or names of the arbitrators, the arbitrators shall be selected, in accordance with rules of court adopted by the Supreme Court of New Jersey, from a list of arbitrators compiled by the assignment judge, to be comprised of retired judges and qualified attorneys in this State with at least seven years' negligence experience and recommended by the county or State bar association.