Article 9U.K.
The present Convention may be denounced on behalf of any Member of the League or non-Member State. Denunciation shall be notified in writing to the Secretary-General of the League of Nations, who will immediately send a copy thereof, certified to be in conformity with the notification, to all the other Contracting Parties, at the same time informing them of the date on which he received it.
The denunciation shall come into force only in respect of the High Contracting Party which shall have notified it and one year after such notification shall have reached the Secretary-General of the League of Nations.
The denunciation of the Protocol on Arbitration Clauses shall entail, ipso facto, the denunciation of the present Convention.