25 CFR § 1000.1415 - How are project and program environmental review costs identified?

---
identifier: "/us/cfr/t25/s1000.1415"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "25 CFR § 1000.1415 - How are project and program environmental review costs identified?"
title_number: 25
title_name: "Indians"
section_number: "1000.1415"
section_name: "How are project and program environmental review costs identified?"
chapter_name: "OFFICE OF THE ASSISTANT SECRETARY, INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR"
part_number: "1000"
part_name: "ANNUAL FUNDING AGREEMENTS UNDER THE TRIBAL SELF-GOVERNMENT ACT AMENDMENTS TO THE INDIAN SELF-DETERMINATION AND EDUCATION ACT"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "25 U.S.C. 5373"
regulatory_source: "89 FR 100245, Dec. 11, 2024, unless otherwise noted."
cfr_part: "1000"
---


# 1000.1415 How are project and program environmental review costs identified?

(a) The Tribe/Consortium and the Secretary shall work together during the initial stages of project development to identify program and project related costs associated with carrying out environmental responsibilities for proposed projects. The goal in this process is to identify the costs associated with all foreseeable environmental review activities.

(b) If unforeseen environmental review and compliance costs are identified during the performance of the construction project, the Tribe/Consortium or, at the request of the Tribe/Consortium, the Tribe/Consortium and Secretary may do one or more of the following:

(1) Mitigate adverse environmental effects;

(2) Alter the project scope of work; and/or

(3) Add additional program and/or project funding, including seeking supplemental appropriations.