---
kind: "unit"
title: "5"
title_heading: "Government Organization and Employees"
key: "ptIII/sptA/ch21"
level: "chapter"
label: "Chapter 21"
heading: "Definitions"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/5/ptIII-sptA-ch21"
sections_count: 11
---

# Chapter 21 — Definitions

Title 5 — Government Organization and Employees › Part III — Employees › Subpart A — General Provisions

## Sections

- [§2101. Civil service; armed forces; uniformed services](/usc/5/2101.md)
- [§2101a. The Senior Executive Service](/usc/5/2101a.md)
- [§2102. The competitive service](/usc/5/2102.md)
- [§2103. The excepted service](/usc/5/2103.md)
- [§2104. Officer](/usc/5/2104.md)
- [§2105. Employee](/usc/5/2105.md)
- [§2106. Member of Congress](/usc/5/2106.md)
- [§2107. Congressional employee](/usc/5/2107.md)
- [§2108. Veteran; disabled veteran; preference eligible](/usc/5/2108.md)
- [§2108a. Treatment of certain individuals as veterans, disabled veterans, and preference eligibles](/usc/5/2108a.md)
- [§2109. Air traffic controller; Secretary](/usc/5/2109.md)