Notwithstanding any provision of the State Act, the Settlement Agreement, or this subchapter (including any amendment made under section
941m(f) of this title), nothing in this subchapter, the State Act, or the Settlement Agreement—
(1)shall amend or alter title 26, as amended, or any rules or regulations promulgated thereunder, or
(2)shall affect the treatment under title 26 of any person or transaction other than by reason of the restoration of the trust relationship between the United States and the Tribe.