---
kind: "unit"
title: "49"
title_heading: "Transportation"
key: "stVII/ptA/sptiii/ch451"
level: "chapter"
label: "Chapter 451"
heading: "Alcohol and Controlled Substances Testing"
release: "119-102"
url: "https://uscodex.org/usc/49/stVII-ptA-sptiii-ch451"
sections_count: 7
---

# Chapter 451 — Alcohol and Controlled Substances Testing

Title 49 — Transportation › Subtitle VII — Aviation Programs › Part A — Air Commerce and Safety › Subpart iii — safety

## Sections

- [§45101. Definition](/usc/49/45101.md)
- [§45102. Alcohol and controlled substances testing programs](/usc/49/45102.md)
- [§45103. Prohibited service](/usc/49/45103.md)
- [§45104. Testing and laboratory requirements](/usc/49/45104.md)
- [§45105. Rehabilitation](/usc/49/45105.md)
- [§45106. Relationship to other laws, regulations, standards, and orders](/usc/49/45106.md)
- [§45107. Transportation Security Administration](/usc/49/45107.md)