33 CFR § 148.1 - What is the purpose of this subchapter?

---
identifier: "/us/cfr/t33/s148.1"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 148.1 - What is the purpose of this subchapter?"
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "148.1"
section_name: "What is the purpose of this subchapter?"
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "NN"
subchapter_name: "DEEPWATER PORTS"
part_number: "148"
part_name: "DEEPWATER PORTS: GENERAL"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1504; Department of Homeland Security Delegation No. 0170.1 (75)."
regulatory_source: "USCG-1998-3884, 71 FR 57651, Sept. 29, 2006, unless otherwise noted."
cfr_part: "148"
---


# 148.1 What is the purpose of this subchapter?

This subchapter prescribes regulations for the licensing, construction, design, equipment, and operation of deepwater ports under the Deepwater Port Act of 1974, as amended (codified at 33 U.S.C. 1501 *et seq.*) (the Act). The regulations in this subchapter (parts 148 through 150) have preemptive effect over state or local regulations in the same field.”

[USCG-1998-3884, 71 FR 57651, Sept. 29, 2006, as amended by USCG-2013-0397, 78 FR 39175, July 1, 2013; USCG-2012-0196, 81 FR 48243, July 22, 2016]