(41)In addition, the supervision of credit institutions on a consolidated basis aims to ensure, inter alia, the stability of the financial system and, in order to be effective, should be applied to all groups, including those the parent undertakings of which are not credit institutions or investment firms. Therefore, all credit institutions, including those that previously had the status of investment firms, should be subject to the rules on individual and consolidated supervision of the parent undertaking by the competent authorities pursuant to Section I of Chapter 3 of Title VII of Directive 2013/36/EU.