1. By 9 May 2019, the Commission shall submit a report to the European Parliament and to Council, assessing the consistency of the approach taken by Member States in the identification of the operators of essential services.
2. The Commission shall periodically review the functioning of this Directive and report to the European Parliament and to the Council. For this purpose and with a view to further advancing the strategic and operational cooperation, the Commission shall take into account the reports of the Cooperation Group and the CSIRTs network on the experience gained at a strategic and operational level. In its review, the Commission shall also assess the lists contained in Annexes II and III, and the consistency in the identification of operators of essential services and services in the sectors referred to in Annex II. The first report shall be submitted by 9 May 2021.