Code Civ. Proc., § 2034.300 · Article 2. Demand for Exchange of Expert Witness Information
Code Civ. Proc., § 2034.300
Text — As published in the Legislative Counsel's database, tables dated October 18, 2026 (pubinfo_2025.zip)
Except as provided in Section 2034.310 and in Articles 4 (commencing with Section 2034.610) and 5 (commencing with Section 2034.710), on objection of any party who has made a complete and timely compliance with Section 2034.260, the trial court shall exclude from evidence the expert opinion of any witness that is offered by any party who has unreasonably failed to do any of the following:
(a) List that witness as an expert under Section 2034.260.
(b) Submit an expert witness declaration.
(c) Produce reports and writings of expert witnesses under Section 2034.270.
(d) Make that expert available for a deposition under Article 3 (commencing with Section 2034.410).
Notes and commentary — not statutory text
History
Added by Stats. 2004, Ch. 182, Sec. 23. Effective January 1, 2005. Operative July 1, 2005, by Sec. 64 of Ch. 182.
Source of truth
- Edition
- As published in the Legislative Counsel's database, tables dated October 18, 2026 (pubinfo_2025.zip)
- Official file
- https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=CCP§ionNum=2034.300.
- Text hash
- sha256 f3b50ee17e6b14255a68f0b8742f329be75dbf9696e115703c4ebe49763f80b3
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- compose_ca.py 2026-10-22: the Legislative Counsel's CAML content files read by a tokenizer (caml_readers.reader_a); an independent xml.etree reading (caml_readers.reader_b) agrees on every section
This section cites
Provisions in this library that the text above cites, as it prints each citation. A range cited as “ss. 61.13-61.16” links its first and last provisions.
Code of Civil Procedure
- Code Civ. Proc., § 2034.260Printed as Section 2034.260
- Code Civ. Proc., § 2034.270Printed as Section 2034.270
- Code Civ. Proc., § 2034.310Printed as Section 2034.310
- Code Civ. Proc., pt. 4, tit. 4, ch. 18, art. 3Deposition of Expert WitnessPrinted as Article 3 (commencing with Section 2034.410)
- Code Civ. Proc., pt. 4, tit. 4, ch. 18, art. 4Motion To Augment or Amend Expert Witness List or DeclarationPrinted as Articles 4 (commencing with Section 2034.610) and 5 (commencing with Section 2034.710)
- Code Civ. Proc., pt. 4, tit. 4, ch. 18, art. 5Motion To Submit Tardy Expert Witness InformationPrinted as Articles 4 (commencing with Section 2034.610) and 5 (commencing with Section 2034.710)
Procedural information only. Not legal advice and not a substitute for the advice of an attorney. Confirm the current text with the official publisher before relying on it.