Rule 602. Lack of personal knowledge.
A witness may not testify as to a matter unless evidence is introduced sufficient to support a finding that the witness has personal knowledge of the matter. Evidence to prove personal knowledge may, but need not, consist of the witness' own testimony. This rule is subject to the provisions of Rule 703, relating to opinion testimony by expert witnesses.
History: Ad. Sup. Ct. Ord. 12729, Dec. 29, 1976, eff. July 1, 1977; amd. Sup. Ct. Ord. June 7, 1990, eff. June 7, 1990.
Structure Montana Code Annotated
Chapter 10. Montana Rules of Evidence
Rule 601. Competency in general; disqualification
Rule 602. Lack of personal knowledge
Rule 605. Competency of judge as witness
Rule 606. Competency of juror as witness
Rule 607. Who may impeach; party not bound by testimony
Rule 608. Evidence of character and conduct of witness
Rule 609. Impeachment by evidence of conviction of crime
Rule 610. Religious beliefs or opinions
Rule 611. Mode and order of interrogation and presentation; re-examination and recall; confrontation
Rule 612. Writings used to refresh memory
Rule 613. Prior statements of witnesses