A Regulation is a source of law that the thorough researcher will not overlook. Generally speaking, executive agencies are, by statute, delegated sufficient authority to promulgate regulations in order to effectively enforce certain related statutes. Research federal regulations dealing with admiralty and related issues with the following resources:
Title 33: Navigation and Navigable Waters
Title 46: Shipping
Electronic Code of Federal Regulations (e-CFR)
CFR List of Sections Affected (LSA)
Use the Federal Register (published daily) and the LSA to research the latest changes to federal regulations.