---
kind: "unit"
title: "46"
title_heading: "Shipping"
key: "stVII/ch700/schIV"
level: "subchapter"
label: "Subchapter IV"
heading: "Definitions, Regulations, Enforcement, Investigatory Powers, Applicability"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/46/stVII-ch700-schIV"
sections_count: 6
---

# Subchapter IV — Definitions, Regulations, Enforcement, Investigatory Powers, Applicability

Title 46 — Shipping › Subtitle VII — Security and Drug Enforcement › Chapter 700 — Ports and Waterways Safety

## Sections

- [§70031. Definitions](/usc/46/70031.md)
- [§70032. Delegation of ports and waterways authorities in Saint Lawrence Seaway](/usc/46/70032.md)
- [§70033. Limitation on application to foreign vessels](/usc/46/70033.md)
- [§70034. Regulations](/usc/46/70034.md)
- [§70035. Investigatory powers](/usc/46/70035.md)
- [§70036. Enforcement](/usc/46/70036.md)