This second volume of 33 CFR contains Parts 125-199 and is regulated by the US Coast Guard.
Subchapter L: Waterfront Facilities
Subchapter M: Marine Pollution Financial Responsibility and Compensation
Subchapter N: Outer Continental Shelf Activities
Subchapter NN: Deepwater Ports
Subchapter O: Pollution
Subchapter P: Ports and Waterways Safety
Subchapters Q & R: [Reserved]
Subchapter S: Boating Safety
Title 33 of the US Code of Federal Regulations (33 CFR) contains all US regulations dealing with Navigation and Navigable Waters. The Title is organized into three volumes, and the regulations it contains are authored by the US Coast Guard, the Army Corps of Engineers, and the Saint Lawrence Seaway Development Corporation.