CA Civ Proc Code Section 2036.040

(a)

If the court determines that all or part of the discovery requested under this chapter may prevent a failure or delay of justice in the event of further proceedings in the action in that court, it shall make an order authorizing that discovery.

(b)

The order shall identify any witness whose deposition may be taken, and any documents, things, or places that may be inspected, and any person whose physical or mental condition may be examined.

(c)

Any authorized depositions, inspections, and physical and mental examinations shall then be conducted in accordance with the provisions of this title relating to these methods of discovery in a pending action.