Oregon Revised Statutes
Or. Rev. Stat. § 40.315 (2026)
Rule 602. Lack of personal knowledge
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40.315 Rule 602. Lack of personal knowledge. Subject to the provisions of ORS 40.415, a witness may not testify 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 testimony of the witness. [1981 c.892 §44]