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Regulations last checked for updates: Dec 18, 2025
Title 33 - Navigation and Navigable Waters last revised: Dec 12, 2025
All Titles
Title 33
Chapter I
Part 165-REGULATED - PART 165-REGULATED NAVIGATION AREAS AND LIMITED ACCESS AREAS
Subpart A [§ 165.1 - § 165.9] - Subpart A-General
Subpart B [§ 165.10 - § 165.13] - Subpart B-Regulated Navigation Areas
Subpart C [§ 165.20 - § 165.23] - Subpart C-Safety Zones
Subpart D [§ 165.30 - § 165.33] - Subpart D-Security Zones
Subpart E [§ 165.40 - § 165.40] - Subpart E-Restricted Waterfront Areas
Subpart F [§ 165.T01-0389 - § 165.1714] - Subpart F-Specific Regulated Navigation Areas and Limited Access Areas
Subpart G [§ 165.2010 - § 165.2030] - Subpart G-Protection of Naval Vessels
authority:
46 U.S.C. 70034
,
70051
,
70124
;
33 CFR 1.05-1
, 6.04-1, 6.04-6, and 160.5; DHS Delegation No. 00170.1, Revision No. 01.4
source:
CGD 79-034, 47 FR 29660, July 8, 1982, unless otherwise noted.
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