Cal. Civ. Proc. Code § 2025.230

If the deponent named is not a natural person, the deposition notice shall describe with reasonable particularity the matters on which examination is requested. In that event, the deponent shall designate and produce at the deposition those of its officers, directors, managing agents, employees, or agents who are most qualified to testify on its behalf as to those matters to the extent of any information known or reasonably available to the deponent.