(b)

1. (1) The commission, upon initiating an adjudication proceeding or ratesetting proceeding, shall assign one or more commissioners to oversee the case and an administrative law judge when appropriate. The assigned commissioner shall schedule a prehearing conference and shall prepare and issue by order or ruling a scoping memo that describes the issues to be considered and the applicable timetable for resolution and that, consistent with due process, public policy, and statutory requirements, determines whether the proceeding requires a hearing.
2. (2) The administrative law judge shall either preside over and conduct, or assist the assigned commissioner or commissioners in presiding over and conducting, any evidentiary or adjudication hearing that may be required.
3. (3) This subdivision shall not apply to exempt railroad crossing applications subject to Section 1205.5.

(d)

1. (1) Quasi-legislative cases, for purposes of this article, are cases that establish policy, including, but not limited to, rulemakings and investigations that may establish rules affecting an entire industry.
2. (2) Adjudication cases, for purposes of this article, are enforcement cases and complaints except those challenging the reasonableness of any rates or charges as specified in Section 1702.
3. (3) Ratesetting cases, for purposes of this article, are cases in which rates are established for a specific company, including, but not limited to, general rate cases, performance-based ratemaking, and other ratesetting mechanisms.
4. (4) Catastrophic wildfire proceedings, for purposes of this article, are proceedings in which an electrical corporation files an application to recover costs and expenses pursuant to Section 451 or 451.1, as applicable, related to a covered wildfire, as defined in Section 1701.8.

(e)

1. (1)

   1. (A) “Ex parte communication,” for purposes of this article, means any oral or written communication between a decisionmaker and an interested person concerning any matter before the commission that the commission has not specified in its Rules of Practice and Procedure as being a procedural matter and that does not occur in a public hearing, workshop, or other public proceeding, or on the official record of the proceeding on the matter. The commission shall specify in its Rules of Practice and Procedure, enacted by rulemaking, the types of issues considered procedural matters under this article.

   2. (B) “Interested person,” for purposes of this article, means any of the following:

      1. (i) Any applicant, an agent or an employee of the applicant, or a person receiving consideration for representing the applicant, or a participant in the proceeding on any matter before the commission.
      2. (ii) Any person with a financial interest, as described in Article 1 (commencing with Section 87100) of Chapter 7 of Title 9 of the Government Code, in a matter before the commission, an agent or employee of the person with a financial interest, or a person receiving consideration for representing the person with a financial interest. A person involved in issuing credit ratings or advising entities or persons who invest in the shares or operations of any party to a proceeding is a person with a financial interest.
      3. (iii) A representative acting on behalf of any civic, environmental, neighborhood, business, labor, trade, or similar organization who intends to influence the decision of a commission member on a matter before the commission.
      4. (iv) Other categories of individuals deemed by the commission, by rule, to be an interested person.

2. (2) The commission shall by rule adopt and publish a definition of decisionmakers and interested persons for purposes of this article, along with any requirements for written reporting of ex parte communications and appropriate sanctions for noncompliance with any rule proscribing ex parte communications. The definition of decisionmakers shall include, but is not limited to: each commissioner; the personal staff of a commissioner if the staff is acting in a policy or legal advisory capacity; the chief administrative law judge of the commission; and the administrative law judge assigned to the proceeding. The commission shall, by rule, explicitly ban both of the following:

   1. (A) The practice of one-way ex parte communications from a decisionmaker to an interested person.
   2. (B) Any communication between an interested person and a decisionmaker regarding which commissioner or administrative law judge may be assigned to a matter before the commission.

3. (3) For adjudication cases, the rules shall provide that ex parte communications shall be prohibited, as required by this article. The rules shall provide that if an ex parte communication occurs that is prohibited by this article, or if an ex parte communication occurs in a ratesetting case or catastrophic wildfire proceeding, whether initiated by a decisionmaker or an interested person, all of the following shall be required:

   1. (A) The interested person shall report the communication within three working days of the communication by filing a notice with the commission that includes all the following:

      1. (i) The date, time, and location of the communication, whether the communication was oral or written, or a combination of both, and the communication medium used.
      2. (ii) The identity of the decisionmaker, the identity of the person initiating the communication, and the identities of any other persons present.
      3. (iii) The topic of the communication, including applicable proceeding numbers.
      4. (iv) A substantive description of the interested person’s communication and its content.
      5. (v) A copy of any written material or text used during the communication.

   2. (B) Any decisionmaker who participated in the communication shall promptly log the ex parte communication by filing a notice that includes all the following:

      1. (i) The date, time, and location of the communication, whether the communication was oral or written, or a combination of both, and the communication medium used.
      2. (ii) The identity of the interested person, the identity of the person initiating the communication, and the identities of any other persons present.
      3. (iii) The topic of the communication, including any applicable proceeding numbers.
      4. (iv) A brief description of the communication.
   3. (C) If the interested person who participated in the communication has not timely submitted the notice required by subparagraph (A), the decisionmaker shall refer the matter to the attorney for the commission, and an assigned commissioner, by ruling, shall order the interested person to submit the required notice. The interested person shall be subject to any applicable penalties for the initial violation and, if the interested person does not submit the required notice within the time period specified in the assigned commissioner’s ruling, the interested person shall be subject to continuing violations pursuant to Section 2108.
4. (4) The requirements of paragraph (3) shall not apply to any oral ex parte communication occurring at a meeting if all parties are invited to participate and given not less than three working days’ notice.
5. (5) The commission shall not take any vote on a matter in which a notice of a prohibited ex parte communication has been filed pursuant to subparagraph (A) or (B) of paragraph (3) until all parties to the proceeding have been provided a reasonable opportunity to respond to the communication.
6. (6) If an ex parte communication is not disclosed as required by this subdivision until after the commission has issued a decision on the matter to which the communication pertained, a party not participating in the communication may file a petition to rescind or modify the decision. The party may seek a finding that the ex parte communication significantly influenced the decision’s process or outcome as part of any petition to rescind or modify the decision. The commission shall process the petition in accordance with the commission’s procedures for petitions for modification and shall issue a decision on the petition no later than 180 days after the filing of the petition.

7. (7)

   1. (A) Ex parte communications that occur at conferences and that are within the scope of an adjudication, ratesetting, or catastrophic wildfire proceeding shall be subject to the requirements of this article.
   2. (B) Ex parte communications that occur at conferences and that are within the scope of a quasi-legislative proceeding shall be governed by the ex parte communication disclosure requirements developed by the commission.
   3. (C) For purposes of this section, “ex parte communications that occur at conferences” includes, but is not limited to, communications in a private setting or during meals, entertainment events, and tours, and informal discussions among conference attendees.
8. (8) The commission shall render its decisions based on the law and on the evidence in the record. Ex parte communications shall not be a part of the evidentiary record of the proceedings.