Except as provided in Section 2034.310 and in Articles 4 (commencing with Section 2034.610) and 5 (commencing with Section 2034.710), on objection of any party who has made a complete and timely compliance with Section 2034.260, the trial court shall exclude from evidence the expert opinion of any witness that is offered by any party who has unreasonably failed to do any of the following:
Ca. Civ. Proc. Code § 2034.300