The Member States 25 March 1957, Consolidated version of the Treaty establishing the European Atomic Energy Community#TITLE II - Provisions for the encouragement of progress in the field of nuclear energy#CHAPTER 10 - EXTERNAL RELATIONS#Article 103

Article 102 Agreements or contracts concluded with a third State, an international organisation or a national of a third State to which, in addition to the Community, one or more Member States are parties, shall not enter into force until the Commission has been notified by all the Member States concerned that those agreements or contracts have become applicable in accordance with the provisions