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 6 - SUPPLIES#Section 2 - Ores, source materials and special fissile materials coming from inside the Community#Article 59

S e c t i o n 2 Ores, source materials and special fissile materials coming from inside the Community Article 57 1. The right of option of the Agency shall cover: (a) the acquisition of rights to use and consume materials owned by the Community under the provisions of Chapter 8; (b) the acquisition of the right of ownership in all other cases. 2.