---
kind: "unit"
title: "48"
title_heading: "Federal Acquisition Regulations System"
key: "ch1/subchG/part51"
level: "part"
label: "Part 51"
heading: "Use of Government Sources by Contractors"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/48/ch1-subchG-part51"
sections_count: 15
---

# Part 51 — Use of Government Sources by Contractors

Title 48 C.F.R. — Federal Acquisition Regulations System › Chapter 1 — Federal Acquisition Regulation › Subchapter G — Contract Management

## Sections

- [§51.000. Scope of part.](/cfr/48/51.000.md)

## Contents

- [Subpart 51.1 — Contractor Use of Government Supply Sources](/cfr/48/ch1-subchG-part51-subpart51.1.md)
- [Subpart 51.2 — Contractor Use of Interagency Fleet Management System (IFMS)](/cfr/48/ch1-subchG-part51-subpart51.2.md)