Information communicated pursuant to this Directive shall, as far as possible, be provided by electronic means using the CCN network.

Where necessary, the Commission shall adopt practical arrangements necessary for the implementation of the first subparagraph in accordance with the procedure referred to in Article 26(2).

The Commission shall be responsible for whatever development of the CCN network is necessary to permit the exchange of that information between Member States and for ensuring the security of the CCN network.

Member States shall be responsible for whatever development of their systems is necessary to enable that information to be exchanged using the CCN network and for ensuring the security of their systems.

Member States shall ensure that each individual Reportable Person is notified of a breach of security with regard to his data when that breach is likely to adversely affect the protection of his personal data or privacy.

Member States shall waive all claims for the reimbursement of expenses incurred in applying this Directive except, where appropriate, in respect of fees paid to experts.

Persons duly accredited by the Security Accreditation Authority of the Commission may have access to that information only in so far as it is necessary for the care, maintenance and development of the directory referred to in paragraph 5 and of the CCN network.

Requests for cooperation, including requests for notification, and attached documents may be made in any language agreed between the requested and requesting authority.

Those requests shall be accompanied by a translation into the official language or one of the official languages of the Member State of the requested authority only in special cases when the requested authority states its reason for requesting a translation.

The Commission shall by 31 December 2017 develop and provide with technical and logistical support a secure Member State central directory on administrative cooperation in the field of taxation where information to be communicated in the framework of Article 8a(1) and (2) shall be recorded in order to satisfy the automatic exchange provided for in those paragraphs.

The Commission shall by 31 December 2019 develop and provide with technical and logistical support a secure Member State central directory on administrative cooperation in the field of taxation where information to be communicated in the framework of Article 8ab(13), (14) and (16) shall be recorded in order to satisfy the automatic exchange provided for in those paragraphs.

The competent authorities of all Member States shall have access to the information recorded in that directory. The Commission shall also have access to the information recorded in that directory, however within the limitations set out in Articles 8a(8) and 8ab(17). The necessary practical arrangements shall be adopted by the Commission in accordance with the procedure referred to in Article 26(2).

Until that secure central directory is operational, the automatic exchange provided for in Article 8a(1) and (2) and Article 8ab(13), (14) and (16) shall be carried out in accordance with paragraph 1 of this Article and the applicable practical arrangements.

Information communicated pursuant to Article 8aa(2) shall be provided by electronic means using the CCN network. The Commission shall, by means of implementing acts, adopt the necessary practical arrangements for the upgrading of the CCN network. Those implementing acts shall be adopted in accordance with the procedure referred to in Article 26(2).