California CodesCode of Civil Procedure - CCPPart 1 — Of Courts of JusticeTitle 3 — Persons Specially Invested with Powers of a Judicial NatureChapter 1 — Trial Jury Selection and Management ActSection 198

(a) Random selection shall be utilized in creating master and qualified juror lists, commencing with selection from source lists, and continuing through selection of prospective jurors for voir dire.

(b) The jury commissioner shall, at least once in each 12-month period, randomly select names of prospective trial jurors from the source list or lists, to create a master list.

(c) The master jury list shall be used by the jury commissioner, as provided by statute and state and local court rules, for the purpose of (1) mailing juror questionnaires and subsequent creation of a qualified juror list, and (2) summoning prospective jurors to respond or appear for qualification and service.