; or (2) under any Federal law (including the Indian Gaming Regulatory Act ( 25 U.S.C. 2701 et seq.) and any regulations promulgated by the Secretary or the National Indian Gaming Commission pursuant to that Act). 6. Effect of Act Nothing in this Act shall limit— (1) the existing rights or claims of the Tribe; or (2) the eligibility of the Tribe to acquire additional land in trust under applicable Federal law and regulations.