California Code, Health and Safety Code - HSC § 40864

(a) Judicial review may be had of a decision of a hearing board by filing a petition for a writ of mandate in accordance with Section 1094.5 of the Code of Civil Procedure. Except as otherwise provided in this section, any such petition shall be filed within 30 days after the decision has been mailed pursuant to Section 40860. The right to petition shall not be affected by the failure to seek a rehearing before the hearing board.

(b) The complete record of the proceedings, or such parts thereof as are designated by the petitioner, shall be prepared by the hearing board and shall be delivered to the petitioner within 30 days after a request therefor by him, upon payment of the fee specified in Section 69950 of the Government Code for the transcript, the cost of preparation of other portions of the record, and for certification thereof.

(c) The complete record includes the pleadings, all notices and orders issued by the hearing board, any proposed decision by the hearing board, the final decision, a transcript of all proceedings, the exhibits admitted or rejected, the written evidence, and any other papers in the case.

(d) Where the petitioner, within 10 days after the last day on which a rehearing can be ordered, requests the hearing board to prepare all or any part of the record, the time within which a petition may be filed shall be extended until five days after its delivery to him. The hearing board may file with the court the original of any document in the record in lieu of a copy thereof.