A short cause case is a civil case in which the time estimated for trial by all parties or the court is five hours or less. All other civil cases are long cause cases.
The court may order, upon the stipulation of all parties or the court's own motion, that a case is a short cause case exempted from the requirements of case management review and set the case for trial.
If a short cause case is not completely tried within five hours, the judge may declare a mistrial or, in the judge's discretion, may complete the trial. In the event of a mistrial, the case will be treated as a long cause case and must promptly be set either for a new trial or for a case management conference.
Cal. R. Ct. 3.735