It is appropriate that EBA keeps an up-to-date list of all of the forms of capital instruments in each Member State that qualify as Common Equity Tier 1 instruments. EBA should remove from that list non-State aid instruments issued after the date of entry into force of this Regulation not meeting the criteria specified in this Regulation and should publicly announce such removal. Where instruments removed by EBA from the list continue to be recognised after EBA's announcement, EBA should fully exercise its powers, in particular those conferred by Article 17 of Regulation (EU) No 1093/2010 concerning breaches of Union law. It is recalled that a three-step mechanism applies for a proportionate response to instances of incorrect or insufficient application of Union law, whereby, as a first step, EBA is empowered to investigate alleged incorrect or insufficient application of Union law obligations by national authorities in their supervisory practice, concluded by a recommendation. Second, where the competent national authority does not follow the recommendation, the Commission is empowered to issue a formal opinion taking into account the EBA's recommendation, requiring the competent authority to take the actions necessary to ensure compliance with Union law. Third, to overcome exceptional situations of persistent inaction by the competent authority concerned, the EBA is empowered, as a last resort, to adopt decisions addressed to individual financial institutions. Moreover, it is recalled that, under Article 258 TFEU, where the Commission considers that a Member State has failed to fulfil an obligation under the Treaties, it has the power to bring the matter before the Court of Justice of the European Union.