25 CFR § 1000.1440 - What constitutes a “significant change” in the original scope of work?

---
identifier: "/us/cfr/t25/s1000.1440"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "25 CFR § 1000.1440 - What constitutes a “significant change” in the original scope of work?"
title_number: 25
title_name: "Indians"
section_number: "1000.1440"
section_name: "What constitutes a “significant change” in the original scope of work?"
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"
---


# 1000.1440 What constitutes a “significant change” in the original scope of work?

A significant change in the original scope of work is:

(a) A change that would result in a cost that exceeds the total of the Federal project funds available and the Tribe's/Consortium's contingency funds; or

(b) A material departure from the original scope of work, including substantial departure from timelines negotiated in the construction project agreement.