CHAPTER VIFINAL PROVISIONS
Article 20Implementing measures
1.
Member States shall communicate to the Commission and the other Member States if legislative or regulatory measures are enacted in respect of Articles 6, 8(2) and 18(6).
Those Member States which make use of the provisions of Article 8(4) shall communicate to the Commission and to the other Member States a duly justified decision indicating the countries and sectors concerned.
2.
Annually, and for the first time no later than 19 June 2013, Member States shall, in accordance with Regulation (EC) No 862/2007, communicate to the Commission statistics on the volumes of third-country nationals who have been granted an EU Blue Card and, as far as possible, volumes of third-country nationals whose EU Blue Card has been renewed or withdrawn, during the previous calendar year, indicating their nationality and, as far as possible, their occupation. Statistics on admitted family members shall be communicated in the same manner, except as regards information on their occupation. In relation to EU Blue Card holders and members of their families admitted in accordance with Articles 18, 19 and 20, the information provided shall, in addition, specify, as far as possible, the Member State of previous residence.
3.
For the purpose of the implementation of Article 5(3) and, where appropriate, 5(5), reference shall be made to Commission (Eurostat) data and, where appropriate, national data.
Article 21Reports
Every three years, and for the first time no later than 19 June 2014, the Commission shall report to the European Parliament and the Council on the application of this Directive in the Member States, in particular the assessment of the impact of Articles 3(4), 5 and 18, and shall propose any amendments that are necessary.
The Commission shall notably assess the relevance of the salary threshold defined in Article 5 and of the derogations provided for in that Article, taking into account, inter alia, the diversity of the economical, sectorial and geographical situations within the Member States.
Article 22Contact points
1.
Member States shall appoint contact points which shall be responsible for receiving and transmitting the information referred to in Articles 16, 18 and 20.
2.
Member States shall provide appropriate cooperation in the exchange of the information and documentation referred to in paragraph 1.
Article 23Transposition
1.
Member States shall bring into force the laws, regulations and administrative provisions necessary to comply with this Directive by 19 June 2011. They shall forthwith inform the Commission thereof.
When Member States adopt those provisions, they shall contain a reference to this Directive or shall be accompanied by such reference on the occasion of their official publication. Member States shall determine how such reference is to be made.
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 24Entry into force
This Directive shall enter into force on the day following its publication in the Official Journal of the European Union.
Article 25Addressees
This Directive is addressed to the Member States, in accordance with the Treaty establishing the European Community.