Article 6Exchange of information on request
1.A requested authority shall, on request from an applicant authority, in accordance with Article 4, supply without delay any relevant information required to establish whether an intra-Community infringement has occurred or to establish whether there is a reasonable suspicion it may occur.
2.The requested authority shall undertake, if necessary with the assistance of other public authorities, the appropriate investigations or any other necessary or appropriate measures in accordance with Article 4, in order to gather the required information.
3.On request from the applicant authority, the requested authority may permit a competent official of the applicant authority to accompany the officials of the requested authority in the course of their investigations.
4.The measures necessary for the implementation of this Article shall be adopted in accordance with the procedure referred to in Article 19(2).