---
kind: "unit"
title: "49"
title_heading: "Transportation"
key: "subtB/chIV/subchB"
level: "subchap"
label: "Subchapter B"
heading: "Safety Approval of Cargo Containers"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/49/subtB-chIV-subchB"
sections_count: 33
---

# Subchapter B — Safety Approval of Cargo Containers

Title 49 C.F.R. — Transportation › Subtitle B — Other Regulations Relating to Transportation › Chapter IV — Coast Guard, Department of Homeland Security

## Contents

- [Part 400-449 — Parts 400-449 [reserved]](/cfr/49/subtB-chIV-subchB-part400-449.md)
- [Part 450 — General](/cfr/49/subtB-chIV-subchB-part450.md)
- [Part 451 — Testing and Approval of Containers](/cfr/49/subtB-chIV-subchB-part451.md)
- [Part 452 — Examination of Containers](/cfr/49/subtB-chIV-subchB-part452.md)
- [Part 453 — Control and Enforcement](/cfr/49/subtB-chIV-subchB-part453.md)
- [Part 454-499 — Parts 454-499 [reserved]](/cfr/49/subtB-chIV-subchB-part454-499.md)