25 U.S.C. § 450N
Section 450n · Sovereign immunity and trusteeship rights unaffected
This is § 111 of the Indian Self-Determination and Education Assistance Act of 1975
Amended 2 times on record
Applied in 13 court decisions — leading case Michigan v. Bay Mills Indian Community (2014)
Most recently applied in World Fuel Services v. Nambe Pueblo Development (January 2019)
Nothing in this subchapter shall be construed as—
(1) affecting, modifying, diminishing, or otherwise impairing the sovereign immunity from suit enjoyed by an Indian tribe; or
(2) authorizing or requiring the termination of any existing trust responsibility of the United States with respect to the Indian people.