---
kind: "unit"
title: "5"
title_heading: "Administrative Personnel"
key: "chI/subchB/part591"
level: "part"
label: "Part 591"
heading: "Allowances and Differentials"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/5/chI-subchB-part591"
sections_count: 65
---

# Part 591 — Allowances and Differentials

Title 5 C.F.R. — Administrative Personnel › Chapter I — Office of Personnel Management › Subchapter B — Civil Service Regulations

## Contents

- [Subpart A — Uniform Allowances](/cfr/5/chI-subchB-part591-subpartA.md)
- [Subpart B — Cost-of-Living Allowance and Post Differential—Nonforeign Areas](/cfr/5/chI-subchB-part591-subpartB.md)
- [Subpart C — Allowance Based on Duty at Remote Worksites](/cfr/5/chI-subchB-part591-subpartC.md)
- [Subpart D — Separate Maintenance Allowance for Duty at Johnston Island](/cfr/5/chI-subchB-part591-subpartD.md)