Article 4
1. At the request of the applicant authority, the requested authority shall transmit to it any information which may enable it to ensure compliance with the provisions of customs or agricultural legislation, and in particular those concerning: - the application of customs duties and charges having equivalent effect together with agricultural levies and other charges provided for under the common agricultural policy or the special arrangements applicable to certain goods resulting from the processing of agricultural products, - operations forming part of the system of financing by the European Agricultural Guidance and Guarantee Fund. 2. In order to obtain the information sought, the requested authority or the administrative authority to which it has recourse shall proceed as though acting on its own account or at the request of another authority in its own country.