California Code, Code of Civil Procedure - CCP § 2025.295

(a) Notwithstanding Section 2025.290, in any civil action for injury or illness that results in mesothelioma or silicosis, a deposition examination of the plaintiff by all counsel, other than the plaintiff's counsel of record, shall be limited to seven hours of total testimony if a licensed physician attests in a declaration served on the parties that the deponent suffers from mesothelioma or silicosis, raising substantial medical doubt of the survival of the deponent beyond six months.

(b) Notwithstanding the presumptive time limit in subdivision (a), upon request by a defendant, a court may, in its discretion, grant one of the following up to:

(c) The court may grant the additional time provided for in paragraphs (1) and (2) of subdivision (b) only if it finds that an extension, in the instant case, is in the interest of fairness, which includes consideration of the number of defendants appearing at the deposition, and determines that the health of the deponent does not appear to be endangered by the grant of additional time.