(53)In order to ensure rapid resolution action when it becomes necessary, the Board should closely monitor, in cooperation with the ECB or with the relevant national competent authority, the situation of the entities concerned and the compliance of those entities with any early intervention measure taken in their respect. In determining whether a private sector action could prevent within a reasonable timeframe the failure of an entity, the appropriate authority should take into account the effectiveness of early intervention measures undertaken within a timeframe set by the competent authority.