577. Challenging the award on the ground of serious irregularity.

A party1 to arbitral proceedings may (upon notice2 to the other parties and to the arbitral tribunal3) apply to the court4 challenging an award in the proceedings on the ground of serious irregularity affecting the tribunal, the proceedings or the award5. 'Serious irregularity' means an irregularity of one or more of the kinds listed in heads (1) to (9) below which the court considers has caused or will cause substantial injustice to the applicant6:

(1)     failure by the tribunal to comply with its general duty7;

(2)     the tribunal exceeding its powers (otherwise than by exceeding its substantive jurisdiction)8;

(3)     failure by the