---
kind: "unit"
title: "46"
title_heading: "Shipping"
key: "chI/subchD/part31"
level: "part"
label: "Part 31"
heading: "Inspection and Certification"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/46/chI-subchD-part31"
sections_count: 51
---

# Part 31 — Inspection and Certification

Title 46 C.F.R. — Shipping › Chapter I — Coast Guard, Department of Homeland Security › Subchapter D — Tank Vessels

## Contents

- [Subpart 31.01 — General](/cfr/46/chI-subchD-part31-subpart31.01.md)
- [Subpart 31.05 — Certificates of Inspection](/cfr/46/chI-subchD-part31-subpart31.05.md)
- [Subpart 31.10 — Inspections](/cfr/46/chI-subchD-part31-subpart31.10.md)
- [Subpart 31.15 — Manning of Tank Vessels](/cfr/46/chI-subchD-part31-subpart31.15.md)
- [Subpart 31.20 — Waters Operated Over](/cfr/46/chI-subchD-part31-subpart31.20.md)
- [Subpart 31.25 — Load Lines](/cfr/46/chI-subchD-part31-subpart31.25.md)
- [Subpart 31.30 — Marine Engineering](/cfr/46/chI-subchD-part31-subpart31.30.md)
- [Subpart 31.35 — Electrical Engineering](/cfr/46/chI-subchD-part31-subpart31.35.md)
- [Subpart 31.36 — Lifesaving Appliances and Arrangements](/cfr/46/chI-subchD-part31-subpart31.36.md)
- [Subpart 31.40 — Certificates Under International Convention for Safety of Life at Sea, 1974](/cfr/46/chI-subchD-part31-subpart31.40.md)