California Code, Government Code - GOV § 13293.3

(a) In connection with any audit, evaluation, investigation, or review conducted by the department, the department or a department designee may issue subpoenas for the attendance of witnesses and the production of records, files, documents, accounts, reports, or correspondence, or for making of oral or written sworn statements, in any interview conducted as part of an audit, evaluation, investigation, or review.

(b) A subpoena issued under this section extends as process to all parts of the state and may be served by any person authorized to serve process of courts of record or by any person designated for that purpose by the department. The person serving this process may receive compensation as allowed by the department, not to exceed the fees prescribed by law for similar service.

(c) Notwithstanding Section 7470, 7474, or 7491, subpoenas issued under this section for financial records of financial institutions concerning customers of financial institutions or for information contained in those records shall not be subject to the requirement or conditions of Section 7474.