170.4—What is the effect of this part on existing tribal rights?
This part does not:
(a)
Affect the sovereign immunity from suit enjoyed by tribes;
(b)
Terminate or reduce the trust responsibility of the United States to tribes or individual Indians;
(c)
Require a tribe to assume a program relating to the IRR Program; or
(d)
Impede awards by other agencies of the United States or a State to tribes to administer programs under any other law.