Cal. Civ. Proc. Code § 630.03

(a) All parties agreeing to participate in an expedited jury trial and, if represented, their counsel, shall sign a proposed consent order granting an expedited jury trial.
(b) Except as provided in subdivision (d), the agreement to participate in the expedited jury trial process is binding upon the parties, unless either of the following occurs:
1. (1) All parties stipulate to end the agreement to participate.
2. (2) The court, on its own motion or at the request of a party by noticed motion, finds that good cause exists for the action not to proceed under the rules of this chapter.
(c) Any agreement to participate in an expedited jury trial under this chapter may be entered into only after a dispute has arisen and an action has been filed.
(d) The court shall approve the use of an expedited jury trial and any high/low agreements or other stipulations for an expedited jury trial involving either of the following:
1. (1) A self-represented litigant.
2. (2) A minor, an incompetent person, or a person for whom a conservator has been appointed.
(e) The proposed consent order submitted to the court shall include all of the following:
1. (1) A preliminary statement that each named party and any insurance carrier responsible for providing coverage or defense on behalf of that party, individually identified in the proposed consent order, have been informed of the rules and procedures for an expedited jury trial and provided with a Judicial Council information sheet regarding expedited jury trials, have agreed to take part in or, in the case of a responsible insurance carrier, not object to, the expedited jury trial process, and have agreed to all the specific provisions set forth in the consent order.
2. (2) The parties’ agreement to all of the following:
  1. (A) That all parties waive all rights to appeal and to move for directed verdict or make any post-trial motions, except as provided in Sections 630.08 and 630.09.
  2. (B) That each side shall have up to five hours in which to complete voir dire and to present its case.
  3. (C) That the jury shall be composed of eight or fewer jurors with no alternates.
  4. (D) That each side shall be limited to three peremptory challenges, unless the court permits an additional challenge in cases with more than two sides as provided in Section 630.04.
  5. (E) That the trial and pretrial matters will proceed under subparagraphs (A) to (D), inclusive, and, unless the parties expressly agree otherwise in the proposed consent order, under all other provisions in this chapter and in the implementing rules of court.
(f) The court shall issue the consent order as proposed by the parties, unless the court finds good cause why the action should not proceed through the expedited jury trial process, in which case the court shall deny the proposed consent order in its entirety.