The parties identified in subsection (a) shall identify any waivers of applicable statutory, regulatory, or administrative requirements, or of Federal agency policies or procedures necessary to enable the Indian tribe to efficiently implement the plan.
In consultation with the Secretary, a participating Indian tribe may request that the head of each affected agency waive any statutory, regulatory, or administrative requirement, policy, or procedure identified subsection [1] (b).
Except as provided in paragraph (2), notwithstanding any other provision of law, the head of each affected Federal agency shall waive any applicable statutory, regulatory, or administrative requirement, regulation, policy, or procedure promulgated by the agency that has been identified by the parties under subparagraph [2] (b).
Not later than 90 days after the head of an affected agency receives a waiver request, the head of the affected agency shall decide whether to grant or deny the request.
If the head of the affected agency denies a waiver request, not later than 30 days after the date on which the denial is made, the head of the affected agency shall provide the requesting Indian tribe and the Secretary with written notice of the denial and the reasons for the denial.
If the dispute resolution process fails to resolve the dispute between a participating Indian tribe and an affected agency, the head of the affected agency shall have the final authority to resolve the dispute.