United States Coast Guard
33 CFR 146 - Portable Document Form Portable Document Format. 33 CFR 146 Notice of Arrival on the Outer Continental Shelf.
NOA CDC Final Rule - Portable Document Form Portable Document Format. Notification of Arrival in U.S. Ports; Certain Dangerous Cargoes; Final Rule.
33 CFR 160 - Portable Document Form Portable Document Format. Subpart C_Notifications of Arrival, Hazardous Conditions, and Certain Dangerous Cargoes.
33 CFR 160 - Addendum table Document - Addendum table Document Format. Department of Homeland Security, Coast Guard, 33 CFR Parts 104, 160, and 165 - Vessel Security. Clarification of International Ship & Port Facility Code Reporting Requirements.
164.35 Equipment...All Vessels - Portable Document Format. Requirements for Operational Equipment.
Customs and Border Protection
CBP APIS Final Rule - Electronic Transmission of Passenger and Crew Manifests for Vessels and Aircraft; Final Rule
Misc Regulations
GPO Access Code of Federal Regulations (CFR) titles list - Scroll down to title number "33 Navigation and Navigable Waters" and click on the most recent version (e.g. July 1, 2006). On the next page, browse the various parts of that title as appropriate.