California Code
ARTICLE 4 - Form and Content of Arbitral Award
Section 1297.312.

1297.312. For the purposes of Section 1297.311, in arbitral proceedings with more than one arbitrator, the signatures of the majority of all the members of the arbitral tribunal shall be sufficient so long as the reason for any omitted signature is stated.

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