---
kind: "unit"
title: "33"
title_heading: "Navigation and Navigable Waters"
key: "ch51/schIV"
level: "subchapter"
label: "Subchapter IV"
heading: "Action on Violation, Penalties, and Referrals"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/33/ch51-schIV"
sections_count: 7
---

# Subchapter IV — Action on Violation, Penalties, and Referrals

Title 33 — Navigation and Navigable Waters › Chapter 51 — Clean Hulls

## Sections

- [§3851. Criminal enforcement](/usc/33/3851.md)
- [§3852. Civil enforcement](/usc/33/3852.md)
- [§3853. Liability in rem](/usc/33/3853.md)
- [§3854. Vessel clearance or permits; refusal or revocation; bond or other surety](/usc/33/3854.md)
- [§3855. Warnings, detentions, dismissals, exclusion](/usc/33/3855.md)
- [§3856. Referrals for appropriate action by foreign country](/usc/33/3856.md)
- [§3857. Remedies not affected](/usc/33/3857.md)