3
6. A functional airspace block ð that extend across the airspace under the responsibility of more than one Member State ï shall only be established by ð joint designation ï mutual agreement between all the Member States and Ö ,as well as Õ , where appropriate, third countries who Ö that Õ have responsibility for any part of the airspace included in the functional airspace
block ð The joint designation by which the functional airspace block is established shall contain the necessary provisions concerning the manner in which the block can be modified and t
...[+++]he manner in which a Member State or, where appropriate, a third country, can withdraw from the block, including transitional arrangements ï.
36. Les Un blocs d’espace aérien fonctionnels ð qui s’étendent sur l’espace aérien relevant de la responsabilité de plusieurs États membres ï sont est créés uniquement par ð désignation conjointe ï accord mutuel entre tous les États membres et Ö , ainsi que Õ , le cas échéant, les pays tiers responsables d’une partie quelconque de l’espace aérien compris dans le bloc d’espace aérien fonctionnel.