---
kind: "unit"
title: "33"
title_heading: "Navigation and Navigable Waters"
key: "chIV/part400"
level: "part"
label: "Part 400"
heading: "Part 400 [reserved]"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/33/chIV-part400"
sections_count: 0
---

# Part 400 — Part 400 [reserved]

Title 33 C.F.R. — Navigation and Navigable Waters › Chapter IV — Great Lakes St. Lawrence Seaway Development Corporation, Department of Transportation