Article 228 of the Treaty gives the Commission power to act against a Member State that does not comply with a previous judgement of the European Court of Justice, again by issuing a first written warning (“Letter of Formal Notice”) and then a second and final written warning (“Reasoned Opinion”).
Asutamislepingu artikli 228 kohaselt võib komisjon alustada menetlust Euroopa Kohtu otsust mittetäitva liikmesriigi suhtes.