353- وفيما يتعلق بمشروع المبدإ التوجيهي 2-3-5، أعرب بعض الأعضاء عن دهشتهم وقلقهم من إمكانية تشديد أثر التحفظ.
A unilateral statement formulated by a State or an international organization at the time when that State or that organization expresses its consent to be bound by a treaty by which its author purports to limit the obligations imposed on it by the treaty constitutes a reservation.