TREATY ESTABLISHING THE EUROPEAN ECONOMIC COMMUNITY, PART FIVE - INSTITUTIONS OF THE COMMUNITY, TITLE I - PROVISIONS GOVERNING THE INSTITUTIONS, CHAPTER 1: THE INSTITUTIONS, SECTION 2: THE COUNCIL, ARTICLE 149
TREATY ESTABLISHING THE EUROPEAN ECONOMIC COMMUNITY, PART TWO - FOUNDATIONS OF THE COMMUNITY, TITLE III - FREE MOVEMENT OF PERSONS, SERVICES AND CAPITAL, CHAPTER 2: RIGHT OF ESTABLISHMENT, ARTICLE 57