The U.S. Code of Federal Regulations is divided into 50 titles that encompass administrative law for agencies of the federal government of United States. CFR 33 details regulations pertaining to navigation and navigable waters. The title is made up of three volumes, written by different agencies, including: the U.S. Coast Guard, the Army Corp of Engineers and the Saint Lawrence Seaway Development Corporation.
Volume 1 contains Chapter I, Parts 1 – 124, written by the U.S. Coast Guard
Volume 2 contains Chapter I, Parts 125 – 199, written by the U.S. Coast Guard
Volume 3 contains Chapter II, Parts 200 – 399, written by the Army Corp of Engineers and Chapter III, Parts 400-499, written by the Saint Lawrence Seaway Development Corporation.