Except as provided in subsection (d) of this section, all rights and privileges of this Tribe and of its Members under any Federal treaty, Executive order, agreement or statute or under any other authority, which were diminished or lost under the Act of August 13, 1954 (
68 Stat. 724) [
25 U.S.C.
691 et seq.], are hereby restored and provisions of said Act shall be inapplicable to the Tribe and its Members after June 28, 1989.