Translate the following English sentence to French:
"It should also be pointed out that there was a very constructive approach to the preparations for this Association Council with regard to drafting a joint position, which was adopted by the fifteen members of the Association Council."
Il convient également de relever l'esprit de coopération très constructif qui a présidé à la préparation de ce Conseil d'association, pour la formulation de la position commune adoptée par les Quinze.