Title 46-SHIPPING is composed of nine volumes. The parts in 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 containing parts 1-199 comprise chapter I-Coast Guard, DHS. The eighth volume, containing parts 200- 499, includes chapter II-Maritime Administration, DOT and chapter III-Coast Guard (Great Lakes Pilotage), DHS. The ninth volume, containing 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, 2011.