25 CFR § 170.110
What if discrimination or adverse impacts occur?
February 24, 2021
If discrimination or adverse impacts occur, a Tribe should take the following steps in the order listed:
(a) Take reasonable steps to resolve the problem directly with the State or local government involved; and
(b) Contact BIA, FHWA, or the Federal Transit Authority (FTA), as appropriate, to report the problem and seek assistance in resolving the problem.