Regulations last checked for updates: Dec 19, 2025

Title 33 - Navigation and Navigable Waters last revised: Dec 12, 2025
§ 165.1 - Purpose of part.

The purpose of this part is to:

(a) Prescribe procedures for establishing different types of limited or controlled access areas and regulated navigation areas;

(b) Prescribe general regulations for different types of limited or controlled access areas and regulated navigation areas;

(c) Prescribe specific requirements for established areas; and

(d) List specific areas and their boundaries.

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.
cite as: 33 CFR 165.1