1. Without prejudice to the applicable rules concerning reporting, confidentiality and professional secrecy and to Article 337 of the Treaty, natural and legal persons, entities and bodies shall:

(a) provide immediately any information which would facilitate compliance with this Regulation, such as information about funds and economic resources held or controlled while acting on behalf of, or at the direction of, any natural or legal person, entity or body listed in Annex I, or about accounts and amounts frozen in accordance with Article 2, to the competent authorities of the Member States where they are resident or located, and, directly or through those competent authorities, to the Commission;

(b) cooperate with the competent authorities in any verification of this information.

2. Any information provided or received in accordance with this Article shall be used only for the purposes for which it was provided or received.

3. Any additional information directly received by the Commission shall be made available to the competent authorities of the Member States concerned.