---
kind: "unit"
title: "49"
title_heading: "Transportation"
key: "subtB/chI/subchC/part173"
level: "part"
label: "Part 173"
heading: "Shippers—general Requirements for Shipments and Packagings"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/49/subtB-chI-subchC-part173"
sections_count: 240
---

# Part 173 — Shippers—general Requirements for Shipments and Packagings

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 C — Hazardous Materials Regulations

## Contents

- [Subpart A — General](/cfr/49/subtB-chI-subchC-part173-subpartA.md)
- [Subpart B — Preparation of Hazardous Materials for Transportation](/cfr/49/subtB-chI-subchC-part173-subpartB.md)
- [Subpart C — Definitions, Classification and Packaging for Class 1](/cfr/49/subtB-chI-subchC-part173-subpartC.md)
- [Subpart D — Definitions Classification, Packing Group Assignments and Exceptions for Hazardous Materials Other Than Class 1 and Class 7](/cfr/49/subtB-chI-subchC-part173-subpartD.md)
- [Subpart E — Non-bulk Packaging for Hazardous Materials Other Than Class 1 and Class 7](/cfr/49/subtB-chI-subchC-part173-subpartE.md)
- [Subpart F — Bulk Packaging for Hazardous Materials Other Than Class 1 and Class 7](/cfr/49/subtB-chI-subchC-part173-subpartF.md)
- [Subpart G — Gases; Preparation and Packaging](/cfr/49/subtB-chI-subchC-part173-subpartG.md)
- [Subpart H — Subpart H [Reserved]](/cfr/49/subtB-chI-subchC-part173-subpartH.md)
- [Subpart I — Class 7 (Radioactive) Materials](/cfr/49/subtB-chI-subchC-part173-subpartI.md)
- [Subpart J-O — Subparts J-O [Reserved]](/cfr/49/subtB-chI-subchC-part173-subpartJ-O.md)