(1)Article 15(3) of the Convention between the European Economic Community, the Republic of Austria, the Republic of Finland, the Republic of Iceland, the Kingdom of Norway, the Kingdom of Sweden and the Swiss Confederation on a common transit procedurenote (the ‘Convention on a common transit procedure’) empowers the Joint Committee set up by that Convention to adopt, by decision, invitations to third countries within the meaning of Article 3(1)(c) to accede to that Convention in accordance with Article 15a.