33 CFR § 161.4 - Requirement to carry the rules.

---
identifier: "/us/cfr/t33/s161.4"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 161.4 - Requirement to carry the rules."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "161.4"
section_name: "Requirement to carry the rules."
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: "2026-03-24"
last_updated: "2026-03-24"
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"
---


# 161.4 Requirement to carry the rules.

Each VTS User shall carry on board and maintain for ready reference a copy of these rules.

These rules are contained in the applicable U.S. Coast Pilot, the VTS User's Manual which may be obtained by contacting the appropriate VTS or downloaded from the Coast Guard Navigation Center website (*https://www.navcen.uscg.gov*).

[CGD 90-020, 59 FR 36324, July 15, 1994, as amended by USCG-2018-0874, 84 FR 30880, June 28, 2019]