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48 CFR § 643.104 - 643.104 Notification of contract changes.

---
identifier: "/us/cfr/t48/s643.104"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "48 CFR § 643.104 - 643.104   Notification of contract changes."
title_number: 48
title_name: "Federal Acquisition Regulations System"
section_number: "643.104"
section_name: "643.104   Notification of contract changes."
chapter_number: 6
chapter_name: "DEPARTMENT OF STATE"
subchapter_number: "G"
subchapter_name: "CONTRACT MANAGEMENT"
part_number: "643"
part_name: "CONTRACT MODIFICATIONS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "40 U.S.C. 486(c); 22 U.S.C. 2658."
regulatory_source: "53 FR 26176, July 11, 1988, unless otherwise noted."
cfr_part: "643"
---

# 643.104 643.104   Notification of contract changes.