33 CFR § 161.3 - Applicability.

---
identifier: "/us/cfr/t33/s161.3"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 161.3 - Applicability."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "161.3"
section_name: "Applicability."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "P"
subchapter_name: "PORTS AND WATERWAYS SAFETY"
part_number: "161"
part_name: "VESSEL TRAFFIC MANAGEMENT"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 70001, 70002, 70003, 70034, 70114, 70119; Pub. L. 107-295, 116 Stat. 2064; DHS Delegation No. 00170.1, Revision No. 01.3."
regulatory_source: "CGD 90-020, 59 FR 36324, July 15, 1994, unless otherwise noted."
cfr_part: "161"
---


# 161.3 Applicability.

The provisions of this subpart shall apply to each VTS User and may also apply to any vessel while underway or at anchor on the navigable waters of the United States within a VTS area, to the extent the VTS considers necessary.