California Code
ARTICLE 1 - Competence of an Arbitral Tribunal to Rule on its Jurisdiction
Section 1297.162.

1297.162. A plea that the arbitral tribunal does not have jurisdiction shall be raised not later than the submission of the statement of defense. However, a party is not precluded from raising such a plea by the fact that he or she has appointed, or participated in the appointment of, an arbitrator.

(Added by Stats. 1988, Ch. 23, Sec. 1. Effective March 7, 1988.)