Invalidity of the arbitration agreement: The court discusses other cases of invalidity of the arbitration agreement, including that there was no agreement at all or that the party was not a signatory thereto, that the incorrect arbitral institution was chosen, etc.
Miscellaneous cases regarding the arbitration agreement
512
Ground c: Excess by arbitrator of his authority - Excess of authority
524
Public policy: The court discusses the effect of other alleged violations of public policy on the recognition and enforcement of an arbitral award, such as contradictory reasons, manifest disregard of the law (US), etc.