19.7.2016 Official Journal of the European Union EN L 194/25 Article 24 Transitional measures 1. Without prejudice to Article 25 and with a view to providing Member States with additional possibilities for appropriate cooperation during the period of transposition, the Cooperation Group and the CSIRTs network shall begin to perform the tasks set out in Articles 11(3) and 12(3) respectively by 9 February 2017. 2. For the period from 9 February 2017 to 9 November 2018, and for the purposes of supporting Member States in taking a consistent approach in the process of identification of operators of essential services, the Cooperation Group shall discuss the process, substance and type of national measures allowing for the identification of operators of essential services within a specific sector in accordance with the criteria set out in Articles 5 and 6. The Cooperation Group shall also discuss, at the request of a Member State, specific draft national measures of that Member State, allowing for the identification of operators of essential services within a specific sector in accordance with the criteria set out in Articles 5 and 6. 3. By 9 February 2017 and for the purposes of this Article, Member States shall ensure appropriate representation in the Cooperation Group and the CSIRTs network. Article 25 Transposition 1. Member States shall adopt and publish, by 9 May 2018, the laws, regulations and administrative provisions necessary to comply with this Directive. They shall immediately inform the Commission thereof. They shall apply those measures from 10 May 2018. When Member States adopt those measures, they shall contain a reference to this Directive or shall be accompanied by such a reference on the occasion of their official publication. The methods of making such reference shall be laid down by Member States. 2. Member States shall communicate to the Commission the text of the main provisions of national law which they adopt in the field covered by this Directive. Article 26 Entry into force This Directive shall enter into force on the twentieth day following that of its publication in the Official Journal of the European Union. Article 27 Addressees This Directive is addressed to the Member States. Done at Strasbourg, 6 July 2016. For the European Parliament For the Council The President The President M. SCHULZ I. KORČOK