33 C.F.R. § 2.1 Purpose.
Title 33 - Navigation and Navigable Waters
(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.
Title 33: Navigation and Navigable Waters
PART 2—JURISDICTION
Subpart A—General
§ 2.1 Purpose.