(a) The Congress hereby consents to amendments to Articles I, III, VII, IX, XI, XIV, and XVI of Title III of the Washington Metropolitan Area Transit Regulation Compact substantially as set out in § 9-1107.01.
(b) The Mayor of the District of Columbia is authorized and directed to enter into and execute on behalf of the District of Columbia amendments, substantially as set forth in subsection (a) of this section, to Title III of the Washington Metropolitan Area Transit Regulation Compact with the States of Virginia and Maryland.