Cal. Gov't Code § 3557
(b)
(1)
(2) The appointment of an arbitrator for compulsory interest arbitration shall be made by the State Mediation and Conciliation Service using its process to obtain a panel of arbitrators, except as provided in paragraph (4). Within seven days of receipt of a request for a panel, the State Mediation and Conciliation Service shall send the parties a list of seven arbitrators selected from its roster. Within seven days following the receipt of the list, the parties shall make their selection. Unless the parties agree on an alternate selection procedure, they shall alternatively strike one name from the list provided by the service until only one name remains. A coin toss shall determine which party shall strike the first name. In lieu of this process, the parties may mutually select any individual to serve as the arbitrator. Any party that fails to participate in the selection of an arbitrator within the prescribed period waives its right to strike names from the list. Interest arbitration shall commence either on the arbitrator’s earliest available date or any other date to which the parties agree, and shall be completed within 30 days. The decision of the arbitrator shall be issued within 10 days and shall be final and binding on the parties. The decision shall provide the exclusive representative with reasonable access to new employee orientations. The arbitrator shall consider, weigh, and be guided by the following criteria: