On the initiative of a Member State or of the Commission, and particularly if unforeseen circumstances create a situation of general shortage, the Council may, acting unanimously on a proposal from the Commission and after consulting the European Parliament, amend the provisions of this Chapter. The Commission shall inquire into any request made by a Member State.
Seven years after 1 January 1958, the Council may confirm these provisions in their entirety. Failing confirmation, new provisions relating to the subject matter of this Chapter shall be adopted in accordance with the procedure laid down in the preceding paragraph.