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.
Code Civ. Proc. § 1297.312 — under California Code Civ. Proc..
Code Civ. Proc. § 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.