On receipt of an expert witness list from a party, any other party may take the deposition of any person on the list. The procedures for taking oral and written depositions set forth in Chapters 9 (commencing with Section 2025.010), 10 (commencing with Section 2026.010), and 11 (commencing with Section 2028.010) apply to a deposition of a listed trial expert witness except as provided in this article.
Source:
Section 2034.410, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=CCP§ionNum=2034.410..