513
Ground d: Irregularity in the composition of the arbitral tribunal or arbitral procedure
518
Public policy: The court discusses the meaning of (international as compared to domestic) public policy, generally defined as the basic notions of morality and justice of the enforcement State.
Paragraph 2 - Distinction domestic-international public policy
523
Public policy: The court discusses alleged violations of a fundamental rule of due process in the arbitration on the recognition and enforcement of an arbitral award, including the failure to communicate the names of the arbitrators, the failure to send copies of reports or letters filed in the arbitration, etc.
Irregularities in the arbitral procedure (see also Art. V(1)(b))