(79)To avoid institutions structuring their liabilities in a manner that impedes the effectiveness of the bail-in tool it is appropriate to establish that the institutions meet at all times a minimum requirement for own funds and eligible liabilities expressed as a percentage of the total liabilities and own funds of the institution. Resolution authorities should be able to require, on a case-by-case basis, that that percentage is wholly or partially composed of own funds or of a specific type of liabilities.