Except for an agreement filed under section
1704 of this Appendix, information and documentary material filed with the Commission under section
1704 of this Appendix or this section is exempt from disclosure under section
552 of title
5 and may not be made public except as may be relevant to an administrative or judicial action or proceeding. This section does not prevent disclosure to either body of Congress or to a duly authorized committee or subcommittee of Congress.