25 U.S.C. § 1775g
(a) In general If, during the 15-year period beginning on the date on which the Secretary publishes a determination pursuant to section 1775b(b) of this title, the State Agreement is invalidated by a court of competent jurisdiction, or if the gaming compact described in section 1775b(a)(1) of this title or any agreement between the State of Connecticut and the Mohegan Tribe to implement the compact is invalidated by a court of competent jurisdiction—
(b) Right of Mohegan Tribe to reinstate claim
(1) In general If a State Agreement or compact or agreement described in subsection (a) of this section is invalidated by a court of competent jurisdiction, the Mohegan Tribe or its members shall have the right to reinstate a claim to lands or interests in lands or natural resources to which the Tribe or members are entitled as a result of the invalidation, within a reasonable time, but not later than the later of—
(2) Defenses Notwithstanding any other provision of law, if a party to an action described in paragraph (1) reinstates the action during the period described in paragraph (1)(B)—
(B) the substance of any discussions leading to the State Agreement may not be admissible in any subsequent litigation, except that, if any such action is reinstated, any defense that would have been available to the State of Connecticut at the time the action was withdrawn—