«The term adoption is not defined in the [Vienna] Convention, but is the formal act by which the form and content of a treaty are settled… Unless the circumstances suggest otherwise, the act of adoption does not amount to authentication of, or consent to be bound by, the treaty, or that the treaty has entered into force. However, … in the case of bilateral treaties these stages are sometimes run together. …Adoption of the text of a bilateral treaty is often done by initialling.» (AUST, op. cit., p. 84s.). Si les termes «conclure» et «signer» sont pratiquement synonymes, ce n’est pas le cas du terme «adopter» au sens de la CV. Prosaïquement, l’adoption d’