Los Angeles labor lawyer handles labor union matters for public sector and private sector labor unions. Services include labor arbitration of discipline.What are union arbitration rules? Do I have to arbitrate my wage dispute claim? Be sent to the American Arbitration Association, 725 South Figueroa Street, Suite. 2400, Los Angeles, CA 90017; FAX: 213.622.6199. To be added to a panel, an arbitrator must have a minimum of ten (10) years' responsible, professional experience in labor relations. Los Angeles, CA 90071. Just like last year, employment arbitration was a hot topic in federal and California courts and in the California Legislature. Generally, only an agency or a union may invoke arbitration; an individual employee may not.