Cal. Civ. Proc. Code § 437c
(a)
(b)
(f)
(m)
(n)
(o) A cause of action has no merit if either of the following exists:
(p) For purposes of motions for summary judgment and summary adjudication:
(t) Notwithstanding subdivision (f), a party may move for summary adjudication of a legal issue or a claim for damages other than punitive damages that does not completely dispose of a cause of action, affirmative defense, or issue of duty pursuant to this subdivision.
(1)
(A) Before filing a motion pursuant to this subdivision, the parties whose claims or defenses are put at issue by the motion shall submit to the court both of the following:
(4)