---
kind: "unit"
title: "49"
title_heading: "Transportation"
key: "subtB/chXII/subchA/part1500"
level: "part"
label: "Part 1500"
heading: "Applicability, Terms, and Abbreviations"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/49/subtB-chXII-subchA-part1500"
sections_count: 3
---

# Part 1500 — Applicability, Terms, and Abbreviations

Title 49 C.F.R. — Transportation › Subtitle B — Other Regulations Relating to Transportation › Chapter XII — Transportation Security Administration, Department of Homeland Security › Subchapter A — Administrative and Procedural Rules

## Sections

- [§1500.1. Applicability.](/cfr/49/1500.1.md)
- [§1500.3. Terms and abbreviations used in this chapter.](/cfr/49/1500.3.md)
- [§1500.5. Rules of construction.](/cfr/49/1500.5.md)