(a) In general All rights and privileges of the Bands, and their members thereof, which may have been abrogated or diminished before , are hereby reaffirmed.
(b) Existing rights of Bands Nothing in this subchapter shall be construed to diminish any right or privilege of the Bands, or of their members, that existed prior to . Except as otherwise specifically provided in any other provision of this subchapter, nothing in this subchapter shall be construed as altering or affecting any legal or equitable claim the Bands might have to enforce any right or privilege reserved by or granted to the Bands which were wrongfully denied to or taken from the Bands prior to .