This first volume of 46 CFR contains Parts 1-40 and is regulated by the US Coast Guard.

• Subchapter A—Procedures Applicable to the Public
• Part 1 - Organization, General Course and Methods Governing Marine Safety Functions
• Part 2 - Vessel Inspections
• Part 3 - Designation of Oceanographic Research Vessels
• Part 4 - Marine Casualties and Investigations
• Part 5 - Marine Investigation Regulations: Personnel Action
• Part 6 - Waivers of Navigation and Vessel Inspection Laws and Regulations
• Part 7 - Boundary Lines
• Part 8 - Vessel Inspection Alternatives
• Part 9 - Extra Compensation for Overtime Services
• Subchapter B—Merchant Marine Officers and Seamen
• Part 10 - Merchant Mariner Credential
• Part 11 - Requirements for Officer Endorsements
• Part 12 - Requirements for Rating Endorsements
• Part 13 - Certification of Tankermen
• Part 14 - Shipment and Discharge of Merchant Mariners
• Part 15 - Manning Requirements
• Part 16 - Chemical Testing
• Subchapter C—Uninspected Vessels
• Part 24 - General Provisions
• Part 25 - Requirements
• Part 26 - Operations
• Part 27 - Towing Vessels
• Part 28 - Requirements for Commercial Fishing Industry Vessels
• Subchapter D—Tank Vessels
• Part 30 - General Provisions
• Part 31 - Inspection and Certification
• Part 32 - Special Equipment, Machinery, and Hull Requirements
• Part 34 - Firefighting Equipment
• Part 35 - Operations
• Part 36 - Elevated Temperature Cargoes
• Part 38 - Liquefied Flammable Gases
• Part 39 - Vapor Control Systems

Title 46 of the US Code of Federal Regulations (46 CFR) contains all US regulations dealing with Shipping into, out of, and within the United States. The Title is organized into nine volumes, and the regulations it contains are authored by the US Coast Guard, the Maritime Administration, and the Federal Maritime Commission.