Title 46- Shipping is composed of nine volumes. The parts of these volumes are arranged in the following order: Parts 1-40, 41-69, 70-89, 90-139, 140-155, 156-165, 166-199, 200-499, and 500 to End. The first seven volumes container parts 1-199 comprise chapter I- Coast Guard , DHS. The eight volume, containing parts 200-499, includes chapter II-Maritime Administration, DOT and chapter III- Coast Guard, (Great Lakes Pilotage), DHS. The ninth volume, part 500- to End, includes chapter IV- Federal Maritime Commission. The contents of these volumes represent all current regulations codified under this title of the CFR as of October 1, 2006.
This part of 46 CFR(90-139) contains the following subchapters of Chapter I:
- Subchapter I: Cargo and Miscellaneous Vessels
- Subchapter I-A: Mobile Offshore Drilling Units
- Subchapter J: Electrical Engineering
- Subchapter K: Small Passenger Vessels Carrying More Than 150 Passengers or With Overnight Accomodations for More Than 49 Passengers
- Subchapter L: Offshore Supply Vessels