Cal. Unemp. Ins. Code § 322

The department may exchange information with federal, state, or local governmental departments and agencies that are concerned with the administration of unemployment or disability insurance, or the collection of taxes that may be used to finance the administration of unemployment or disability 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 federal, state, or local departments or agencies of government as the department deems necessary or desirable for the proper administration of this division in accordance with authorized regulations.