The Lead Overseermeans the European Supervisory Authority appointed in accordance with Article 31(1), point (b) of this Regulation; and the members of the joint examination teams should periodically assess the achievements of the joint examination teams to ensure that the structure and the composition of the joint examination teams are fit for purpose and continuously improving the efficiency and effectiveness of the Oversight Framework. The Lead Overseermeans the European Supervisory Authority appointed in accordance with Article 31(1), point (b) of this Regulation; and the nominating authorities should make use of these assessments to review the membership of the joint examination teams, when appropriate.