6. The ECB and the competent authorities of non-participating Member States shall conclude a memorandum of understanding describing in general terms how they will cooperate with one another in the performance of their supervisory tasks under Union law in relation to the financial institutions referred to in Article 2. The memorandum shall be reviewed on a regular basis.
Without prejudice to the first subparagraph the ECB shall conclude a memorandum of understanding with the competent authority of each non-participating Member State that is home to at least one global systemically important institution, as defined in Union law.
Each memorandum shall be reviewed on a regular basis and shall be published subject to appropriate treatment of confidential information.