The Commission shall report to the European Parliament, to the Council and to the Economic and Social Committee every three years on the application of Article I-10 and of this Title. This report shall take account of the development of the Union.

On the basis of this report, and without prejudice to the other provisions of the Constitution, a European law or framework law of the Council may add to the rights laid down in Article I-10. The Council shall act unanimously after obtaining the consent of the European Parliament. The law or framework law concerned shall not enter into force until it is approved by the Member States in accordance with their respective constitutional requirements.