Article 42
Member States shall require that their obliged entities have systems in place that enable them to respond fully and speedily to enquiries from their FIU or from other authorities, in accordance with their national law, as to whether they are maintaining or have maintained, during a five-year period prior to that enquiry a business relationship with specified persons, and on the nature of that relationship, through secure channels and in a manner that ensures full confidentiality of the enquiries.