18 CFR 385.407 - Inspection of documents and other property (Rule 407).
(1) Permit inspection and copying of any designated documents (including writings, drawings, graphs, charts, photographs, sound recordings, computer tapes or other compilations of data from which information can be obtained) that are not privileged and that are in the possession, custody, or control of the participant to whom the order is directed;
(2) Permit inspection, copying or photographing, testing, or sampling of any tangible thing that is not privileged and that is in the possession, custody, or control of the participant to whom the order is directed; and
(3) Permit entry upon or into designated land, buildings, or other property in the possession, custody, or control of the participant to whom the order is directed for the purpose of inspecting, measuring, surveying, or photographing the property or any activity or operation that is not privileged and that is conducted in or upon the property.
(b)Procedures. A request for inspection of documents or property under this section must describe with reasonable particularity the documents or other property to which access is sought. The request must also specify a reasonable time, place, and manner of making the inspection.