Is environmental compliance required?
Primary source
Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.
Full Text
Actions taken by BIA under this part must comply with the National Environmental Policy Act of 1969, 42 U.S.C. 4321 et seq., applicable provisions of the Council on Environmental Quality, 40 CFR part 1500, and applicable tribal laws and provisions of the Navajo Nation Environmental Policy Act CAP-47-95, where the tribal laws and provisions do not violate a federal or judicial decision or conflict with the Secretary's trust responsibility under federal law.
This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.