Article 53U.K.
The Commission and the Member States shall ensure that such existing or new communication and information exchange systems which are necessary to provide for the exchanges of information described in this Regulation are operational. A service level agreement ensuring the technical quality and quantity of the services to be delivered by the Commission and the Member States for the functioning of those communication and information exchange systems shall be decided in accordance with the procedure provided for in Article 58(2). The Commission shall be responsible for whatever development of the CCN/CSI network is necessary to permit the exchange of this information between Member States. Member States shall be responsible for whatever development of their systems is necessary to permit this information to be exchanged using the CCN/CSI network.
Member States shall waive all claims for the reimbursement of expenses incurred in applying this Regulation except, where appropriate, in respect of fees paid to experts.