California Code, Code of Civil Procedure - CCP § 1281.85

(a) Beginning July 1, 2002, a person serving as a neutral arbitrator pursuant to an arbitration agreement shall comply with the ethics standards for arbitrators adopted by the Judicial Council pursuant to this section. The Judicial Council shall adopt ethical standards for all neutral arbitrators effective July 1, 2002. These standards shall be consistent with the standards established for arbitrators in the judicial arbitration program and may expand but may not limit the disclosure and disqualification requirements established by this chapter. The standards shall address the disclosure of interests, relationships, or affiliations that may constitute conflicts of interest, including prior service as an arbitrator or other dispute resolution neutral entity, disqualifications, acceptance of gifts, and establishment of future professional relationships.

(b) Subdivision (a) does not apply to an arbitration conducted pursuant to the terms of a public or private sector collective bargaining agreement.

(c) The ethics requirements and standards of this chapter are nonnegotiable and shall not be waived.