583.
(a) All information furnished to the commission by a public utility, or a business that is a subsidiary or affiliate of a public utility, or a corporation that holds a controlling interest in a public utility, except those matters specifically required to be closed to public inspection by federal or state law, including the provisions of the Evidence Code relating to privilege, shall be open to public inspection and shall not be withheld from public inspection except on order of the commission, or by the commission, a commissioner, or an administrative law judge in the course of a hearing or proceeding.(b) The commission may, by order, designate
specific categories of information as confidential, if it finds that the public interest served by not disclosing the information clearly outweighs the public interest served by disclosing the information.
(c) This section does not authorize the disclosure of information that is exempt from public disclosure under the California Public Records Act (Chapter 3.5 (commencing with Section 6250) of Division 7 of Title 1 of the Government Code).
(d) (1) A public utility, a subsidiary or an affiliate of the a public utility, or a corporation holding a controlling interest in a public utility
providing information to the commission may request the commission to withhold from public disclosure all or a portion of the information provided. The request shall specify provisions of federal or state law, including the Evidence Code or the California Public Records Act, and, if applicable, an order issued pursuant to subdivision (b) that exempts the information from public disclosure.
(2) The commission, a commissioner, or the assigned administrative law judge shall grant the request upon an adequate showing by the requester that the claimed information is exempt from public disclosure pursuant to the specified provision of federal or state law, or commission order.
(3)Within 45 days of the filing of the request, the commission, a commissioner, or the assigned administrative law judge shall issue an order on the request.
(4)If the commission, a commissioner, or the assigned administrative
law judge fails to issue an order on the request within 45 days of the request, the information is deemed to be a public record within the California Public Records Act and subject to public inspection.
(5)The information that is the subject of the request shall be provisionally withheld from public disclosure for 45 days after the filing of the request or 10 days after the issuance of the ruling on the request, whichever comes first, and until all administrative and judicial review, if any, has been exhausted.
(3) (A) If the commission does not agree, in whole or in part, with a
request for confidentiality made pursuant to paragraph (1), the commission shall provide the party furnishing information to the commission with notice and an opportunity to bring a motion for confidentiality prior to the information being made available for inspection or being made public pursuant to this section. If the commission disagrees only as to some of the claims of confidentiality, the notice by the commission shall specify those portions or parts as to which the commission does not agree with the claim of confidentiality. The information subject to a claim of confidentiality shall remain confidential during the pendency of a motion for confidentiality. If no motion for confidentiality is made within 45 days, the information as to which the commission indicated that it did not agree with a claim of confidentiality shall become a public record pursuant to the California Public Records Act and shall be subject to public inspection. A motion brought by a public utility, a subsidiary or an affiliate of
a public utility, or a corporation holding a controlling interest in a public utility made after receiving notice that the commission rejects a claim of confidentiality shall have the legal effect of an application for rehearing for purposes of Article 2 (commencing with Section 1731) and Article 3 (commencing with Section 1751) of Chapter 9.
(B) The full commission shall issue an order on a motion for confidentiality within 45 days of the filing of the motion. If the commission fails to issue an order within 45 days, the motion shall be deemed denied and the information as to which the commission indicated that it did not agree with a claim of confidentiality shall become a public record pursuant to the California Public Records Act and shall be subject to public inspection, subject to the right of the moving party to seek a writ of review pursuant to Article 3 (commencing with Section 1751) of Chapter 9. Until the time to bring a writ of
review has passed, the information claimed to be confidential shall be treated as confidential. If the moving party timely files a writ of review, the information claimed to be confidential shall remain confidential pending determination of the writ.
(e) Any present or former officer or employee of the commission who divulges any information that is exempt from public disclosure under this section
section, as determined by the commission, is guilty of a misdemeanor.