---
kind: "unit"
title: "46"
title_heading: "Shipping"
key: "chI/subchA/part5/subpartD"
level: "subpart"
label: "Subpart D"
heading: "Investigations"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/46/chI-subchA-part5-subpartD"
sections_count: 4
---

# Subpart D — Investigations

Title 46 C.F.R. — Shipping › Chapter I — Coast Guard, Department of Homeland Security › Subchapter A — Procedures Applicable to the Public › Part 5 — Marine Investigation Regulations—personnel Action

## Sections

- [§5.101. Conduct of investigations.](/cfr/46/5.101.md)
- [§5.103. Powers of investigating officer.](/cfr/46/5.103.md)
- [§5.105. Course of action available.](/cfr/46/5.105.md)
- [§5.107. Service of complaints.](/cfr/46/5.107.md)