1. Each Member State shall inform the Commission, within one month from 11 March 2011, of its competent authority for the purposes of this Directive and shall inform the Commission without delay of any change thereto.
The Commission shall make the information available to the other Member States and publish a list of the authorities of the Member States in the Official Journal of the European Union.
2. The competent authority shall designate a single central liaison office. The competent authority shall be responsible for informing the Commission and the other Member States thereof.
The central liaison office may also be designated as responsible for contacts with the Commission. The competent authority shall be responsible for informing the Commission thereof.
3. The competent authority of each Member State may designate liaison departments with the competence assigned according to its national legislation or policy. The central liaison office shall be responsible for keeping the list
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