---
kind: "unit"
title: "49"
title_heading: "Transportation"
key: "subtB/chI/subchA/part105"
level: "part"
label: "Part 105"
heading: "Hazardous Materials Program Definitions and General Procedures"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/49/subtB-chI-subchA-part105"
sections_count: 11
---

# Part 105 — Hazardous Materials Program Definitions and General Procedures

Title 49 C.F.R. — Transportation › Subtitle B — Other Regulations Relating to Transportation › Chapter I — Pipeline and Hazardous Materials Safety Administration, Department of Transportation › Subchapter A — Hazardous Materials and Oil Transportation

## Contents

- [Subpart A — Definitions](/cfr/49/subtB-chI-subchA-part105-subpartA.md)
- [Subpart B — General Procedures](/cfr/49/subtB-chI-subchA-part105-subpartB.md)