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(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.
Cite this article: FindLaw.com - California Code, Evidence Code - EVID § 702 - last updated January 01, 2019 | https://codes.findlaw.com/ca/evidence-code/evid-sect-702/
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