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 questions relating to the general approach taken by the Convention to the grounds for refusal of recognition and enforcement, including its pro-enforcement bias, as well as the system of the Convention, under which recognition and enforcement may only be denied on seven listed grounds and the petitioner has only the obligations set out in Art. IV.