Cal. Unemp. Ins. Code § 322

The department may exchange information with other governmental departments and agencies, both federal and state, which are concerned with the administration of unemployment insurance, or the collection of taxes which may be used to finance the administration of unemployment insurance, or the relief of unemployed or destitute individuals, or legislation concerning, regulating, or in any manner affecting the obligations arising out of an employer-employee relation, and with other departments or agencies of government as the department deems necessary or desirable for the proper administration of this division in accordance with authorized regulations.