Cal. Evidence Code § 312 : California Evidence Code — General Provisions — Province Of Court And Jury — Duties of jury Date: 31 Aug 2016 TEXT PDF Current through the 2016 Legislative Session Except as otherwise provided by law, where the trial is by jury: (a) All questions of fact are to be decided by the jury. (b) Subject to the control of the court, the jury is to determine the effect and value of the evidence addressed to it, including the credibility of witnesses and hearsay declarants. Ca. Evid. Code § 312