Code of Federal Regulations
- Title 1— General Provisions
- Title 2— Grants and Agreements
- Title 3— The President
- Title 4— Accounts
- Title 5— Administrative Personnel
- Title 6— Domestic Security
- Title 7— Agriculture
- Title 8— Aliens and Nationality
- Title 9— Animals and Animal Products
- Title 10— Energy
- Title 11— Federal Elections
- Title 12— Banks and Banking
- Title 13— Business Credit and Assistance
- Title 14— Aeronautics and Space
- Title 15— Commerce and Foreign Trade
- Title 16— Commercial Practices
- Title 17— Commodity and Securities Exchanges
- Title 18— Conservation of Power and Water Resources
- Title 19— Customs Duties
- Title 20— Employees' Benefits
- Title 21— Food and Drugs
- Title 22— Foreign Relations
- Title 23— Highways
- Title 24— Housing and Urban Development
- Title 25— Indians
- Title 26— Internal Revenue
- Title 27— Alcohol, Tobacco Products and Firearms
- Title 28— Judicial Administration
- Title 29— Labor
- Title 30— Mineral Resources
- Title 31— Money and Finance: Treasury
- Title 32— National Defense
- Title 33— Navigation and Navigable Waters
- Title 34— Education
- Title 36— Parks, Forests, and Public Property
- Title 37— Patents, Trademarks, and Copyrights
- Title 38— Pensions, Bonuses, and Veterans' Relief
- Title 39— Postal Service
- Title 40— Protection of Environment
- Title 41— Public Contracts and Property Management
- Title 42— Public Health
- Title 43— Public Lands: Interior
- Title 44— Emergency Management and Assistance
- Title 45— Public Welfare
- Title 46— Shipping
- Title 47— Telecommunication
- Title 48— Federal Acquisition Regulations System
- Title 49— Transportation
- Title 50— Wildlife and Fisheries