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.
Means of communication for achieving the exchange in writing
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The court discusses how to interpret the Convention’s requirement that the agreement is not null and void etc., as well as specific cases of invalidity: e.g., lack of consent (misrepresentation, duress, or fraud), vague wording of the arbitral clause; other terms of the contract contradict the intention to arbitrate, etc.