Section 137.3 - Effect on existing Tribal rightsNothing in this part shall be construed as:
(a) Affecting, modifying, diminishing, or otherwise impairing the sovereign immunity from suit enjoyed by Indian Tribes;(b) Terminating, waiving, modifying, or reducing the trust responsibility of the United States to the Indian Tribe(s) or individual Indians. The Secretary must act in good faith in upholding this trust responsibility;(c) Mandating an Indian Tribe to apply for a compact(s) or grant(s) as described in the Act; or(d) Impeding awards by other Departments and agencies of the United States to Indian Tribes to administer Indian programs under any other applicable law.