Cal. Penal Code § 14029

All information relating to any witness participating in the program established pursuant to this title shall remain confidential and is not subject to disclosure pursuant to the California Public Records Act (Division 10 (commencing with Section 7920.000) of Title 1 of the Government Code) and, if a change of name has been approved by the program, the order to show cause is not subject to the publication requirement of Section 1277 of the Code of Civil Procedure.