Cal. CCP § 2034.280

This is the official text of Cal. CCP § 2034.280, part of California’s Code of Civil Procedure — sets the procedural rules for civil lawsuits in California courts, including filing deadlines, discovery, and judgments.

Not legal advice. This page reproduces the official text of a government statute for reference only. Laws change, and how a statute applies depends on your specific facts. For advice about your situation, consult a licensed attorney in your state.

Official statutory text

(a) Within 20 days after the exchange described in Section 2034.260, any party who engaged in the exchange may submit a supplemental expert witness list containing the name and address of any experts who will express an opinion on a subject to be covered by an expert designated by an adverse party to the exchange, if the party supplementing an expert witness list has not previously retained an expert to testify on that subject.

(b) This supplemental list shall be accompanied by an expert witness declaration under subdivision (c) of Section 2034.260 concerning those additional experts, and by all discoverable reports and writings, if any, made by those additional experts.

(c) The party shall also make those experts available immediately for a deposition under Article 3 (commencing with Section 2034.410), which deposition may be taken even though the time limit for discovery under Chapter 8 (commencing with Section 2024.010) has expired.

Status: in_force · Read it on the official government site

Need a lawyer in California?

Find a California lawyer
About this page: Statute text is reproduced from official government publishers via the Open US Law dataset (Vaquill AI, snapshot v2026.08, CC BY 4.0). Primary legislative text like this is public domain under the government-edicts doctrine (Georgia v. Public.Resource.Org, 2020). We link every section back to its official source so you can verify it independently.