The court discusses what more recent means of communication are also covered by the “exchange of letters or telegrams” alternative: telefax, email, e-commerce, etc.

The court discusses the principle of competence-competence, including whether the parties “intended to have arbitrability decided by an arbitrator”, and the separability of the arbitration agreement from the main contract.

The court discusses the principle that the procedure for the enforcement of awards under the Convention is governed by the lex fori, as well as procedural issues (such as the competent enforcement court) not falling under the specific cases of ¶¶ 302-307.

The court discusses the conditions under which a party may be estopped from raising a ground for refusal of enforcement under the Convention or has waived the right to raise it.

The court discusses issues relating to the requirement to supply the original arbitration agreement or a copy thereof to prove the prima facie validity of the arbitration agreement, as well as the application of more favorable municipal laws that do not provide for this requirement.

The court discusses the principle that the merits of the award may not be reviewed and that the court may only carry out a limited review of the award to ascertain grounds for refusal.

The court discusses the burden of proof of the grounds for refusing enforcement under the Convention.