(a) The right to alter, amend, or repeal this subchapter is hereby expressly reserved.
(b) The Washington Metropolitan Area Transit Commission shall submit to Congress copies of all periodic reports made by that Commission to the Governors, the Mayor of the District of Columbia and/or the legislatures of the compacting States.
(c) The Congress or any committee thereof shall have the right to require the disclosure and furnishing of such information by the Washington Metropolitan Area Transit Commission as is deemed appropriate by the Congress or any of its committees. Further, Congress or any of its committees shall have access to all books, records and papers of the Washington Metropolitan Area Transit Commission as well as the right of inspection of any facility use, owned, leased, regulated or under the control of said Commission.