California Evidence Code

§ 721

EVID § 721 Effective Jan 1, 1998Div. 6 · Ch. 3 · Art. 1

Statute text

(a)Subject to subdivision (b), a witness testifying as an expert may be cross-examined to the same extent as any other witness and, in addition, may be fully cross-examined as to (1) his or her qualifications, (2) the subject to which his or her expert testimony relates, and (3) the matter upon which his or her opinion is based and the reasons for his or her opinion.

(b)If a witness testifying as an expert testifies in the form of an opinion, he or she may not be cross-examined in regard to the content or tenor of any scientific, technical, or professional text, treatise, journal, or similar publication unless any of the following occurs:

(1)The witness referred to, considered, or relied upon such publication in arriving at or forming his or her opinion.

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Legislative history

Amended by Stats. 1997, Ch. 892, Sec. 11. Effective January 1, 1998.