That amendment of the treaty was to take effect on 1 January 2013, subject to having been approved by the Member States in accordance with their constitutional requirements.
Kõnealune aluslepingu muudatus peaks jõustuma 1. jaanuaril 2013, tingimusel et liikmesriigid on selle kooskõlas oma põhiseadusest tulenevate nõuetega heaks kiitnud.