Cal. Gov. Code § 12588
The Attorney General may investigate transactions and relationships of corporations and trustees subject to this article for the purpose of ascertaining whether or not the purposes of the corporation or trust are being carried out in accordance with the terms and provisions of the articles of incorporation or other instrument. The Attorney General may require any agent, trustee, fiduciary, beneficiary, institution, association, or corporation, or other person to appear, at a named time and place, in the county designated by the Attorney General, where the person resides or is found, to give information under oath and to produce books, memoranda, papers, documents of title, and evidence of assets, liabilities, receipts, or disbursements in the possession or control of the person ordered to appear.
Ca. Gov. Code § 12588