Competency
Applied in 72 court decisions — leading case 31 Cal. 3d 18 - People v. Shirley (1982)
Most recently applied in 14 Cal. 5th 77 - People v. Camacho (November 2022)
Enacted by Stats. 1965, Ch. 299.
Court decisions citing this, by year. The dip in the last several years is a data-coverage gap, not a real trend — our corpus holds fewer opinions from the most recent years, so recent citations are undercounted.
(a) Subject to Section 801, the testimony of a witness concerning a particular matter is inadmissible unless he has personal knowledge of the matter. Against the objection of a party, such personal knowledge must be shown before the witness may testify concerning the matter.
(b) A witness’ personal knowledge of a matter may be shown by any otherwise admissible evidence, including his own testimony.
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.