California Code, Public Resources Code - PRC § 25336

(a) Within 155 days of the final informational hearing, the commission shall conduct a prehearing conference to determine the issues to be considered in hearings pursuant to this section, to identify the dates for the hearings, and to set forth filing dates for public comments and testimony from the parties and interested agencies. Within 15 days of the prehearing conference, the commission shall issue a hearing order setting forth the issues to be heard, the dates of the hearings, and the filing dates for comments and testimony.

(b) The commission shall conduct hearings pursuant to the hearing order. The purpose of the hearings shall be to receive information upon which the commission can make findings and conclusions pursuant to Section 25337.