33 CFR 2.1 - Purpose.

Regulations last checked for updates: Feb 09, 2026

Title 33 - Navigation and Navigable Waters last revised: Feb 03, 2026

View all text of Subpart A [§ 2.1 - § 2.5]

§ 2.1 - Purpose.

(a) The purpose of this part is to define terms the Coast Guard uses in regulations, policies, and procedures, to determine whether it has jurisdiction on certain waters in cases where specific jurisdictional definitions are not otherwise provided.

(b) Figure 2.1 is a visual aid to assist you in understanding this part.

authority: 14 U.S.C. 503; 33 U.S.C. 70031; Public Law 89-670, 80 Stat. 931, 49 U.S.C. 108; Public Law 107-296, 116 Stat. 2135, 2249, 6 U.S.C. 101 note and 468; Department of Homeland Security Delegation No. 0170.1

source: USCG-2001-9044, 68 FR 42598, July 18, 2003, unless otherwise noted.

cite as: 33 CFR 2.1