(a) Before a juror sworn and impaneled in the trial of an action may be called to testify before the jury in that trial as a witness, he shall, in proceedings conducted by the court out of the presence and hearing of the remaining jurors, inform the parties of the information he has concerning any fact or matter about which he will be called to testify.

(b) Against the objection of a party, a juror sworn and impaneled in the trial of an action may not testify before the jury in that trial as a witness. Upon such objection, the court shall declare a mistrial and order the action assigned for trial before another jury.

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Terms Used In California Evidence Code 704

  • Action: includes a civil action and a criminal action. See California Evidence Code 105
  • hearing: means the hearing at which a question under this code arises, and not some earlier or later hearing. See California Evidence Code 145
  • Juror: A person who is on the jury.
  • Mistrial: An invalid trial, caused by fundamental error. When a mistrial is declared, the trial must start again from the selection of the jury.
  • Testify: Answer questions in court.
  • Trial: A hearing that takes place when the defendant pleads "not guilty" and witnesses are required to come to court to give evidence.

(c) The calling of a juror to testify before the jury as a witness shall be deemed a consent to the granting of a motion for mistrial, and an objection to such calling of a juror shall be deemed a motion for mistrial.

(d) In the absence of objection by a party, a juror sworn and impaneled in the trial of an action may be compelled to testify in that trial as a witness.

(Enacted by Stats. 1965, Ch. 299.)