(a) At the trial.—A member of the jury may not testify as a witness before that jury in the trial of the case in which the juror is sitting. If the juror is called so to testify, the opposing party shall be afforded an opportunity to object out of the presence of the jury.
(b) Inquiry into validity of verdict or indictment.—Upon an inquiry into the validity of a verdict or indictment, a juror may not testify as to any matter or statement occurring during the course of the jury’s deliberations or to the effect of anything upon that or any other juror’s mind or emotions as influencing the juror to assent to or dissent from the verdict or indictment or concerning the juror’s mental processes in connection therewith, except that a juror may testify on the question whether extraneous prejudicial information was improperly brought to the jury’s attention or whether any outside influence was improperly brought to bear upon any juror. Nor may a juror’s affidavit or evidence of any statement by the juror concerning a matter about which the juror would be precluded from testifying be received for these purposes.
(As amended Dec. 12, 1975; Mar. 2, 1987, eff. Oct. 1, 1987.)
added in current removed in current
Compared to current version (2025).
(a) At the tTrial.- A member of the juryjuror may not testify as a witness before that jury in the trial of the case in which the juror is sittinge other jurors at the trial. If thea juror is called so to testify, the opposing party shall be affordedcourt must give a party an opportunity to object out ofside the jury’s presence of the jury.
(b).
(b) During an Inquiry into vthe Validity of va Verdict or inIn - dictment.-Upon .
(1) Prohibited Testimony or Other Evidence. During an inquiry into the validity of a verdict or indictment, a juror may not testify as tobout any matter or statemenstatement made or incident that occurringed during the course of the jury’s deliberations or to; the effect of anything upon that juror’s or any other juror’s mind or emotions as influencing the juror to assent to or dissent from the verdict or indictment or concerning the juror’s mental processes in connection therewith, except that avote; or any juror’s mental processes concerning the verdict or indictment. The court may not receive a juror’s affidavit or evidence of a juror’s statement on these matters.
(2) Exceptions. A juror may testify on the questionabout whether:
(A) extraneous prejudicial information was improperly brought to the jury’s attention or whether;
(B) any outside influence was improperly brought to bear upon any juror. Nor may a juror’s affidavit or evidence of any statement by the juror concerning a matter about which the juror would be precluded from testifying be received for these purposes.
(As amended Dec. 12, 1975; Mar. 2, 1987, eff. Oct. 1, 1987; or
(C) a mistake was made in entering the verdict on the verdict form. (As amended Pub. L. 94-149, § 1(10), Dec. 12, 1975, 89 Stat. 805; Mar. 2, 1987, eff. Oct. 1, 1987; Apr. 12, 2006, eff. Dec. 1, 2006; Apr. 26, 2011, eff. Dec. 1, 2011.)