Section 1258.030.

Cal. Code of Civil Procedure - CCP § 1258.030.
in effect
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Nothing in this chapter makes admissible any evidence that is not otherwise admissible or permits a witness to base an opinion on any matter that is not a proper basis for such an opinion.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026

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