California, United States of America
The following excerpt is from Lee v. Clark Reliance Corp., B241656 (Cal. App. 2013):
4. Evidence Code section 702, subdivision (a) provides that the testimony of a nonexpert "witness concerning a particular matter is inadmissible unless he has personal knowledge of the matter." On appeal, plaintiff argues this ruling was erroneous. However, plaintiff cites no authority for this proposition. We conclude she has forfeited the contention. (Roe v. McDonald's Corp. (2005) 129 Cal.App.4th 1107, 1114.)
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