- 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
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- 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
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- Title 25 - Indians
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- Title 27 - Alcohol, Tobacco Products and Firearms
- Title 28 - Judicial Administration
- Title 29 - Labor
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- Title 31 - Money and Finance: Treasury
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- 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
CFR > Title 10 - Energy > CHAPTER II—DEPARTMENT OF ENERGY > SUBCHAPTER A—OIL (parts 200 to 221) > PART 221—PRIORITY SUPPLY OF CRUDE OIL AND PETROLEUM PRODUCTS TO THE DEPARTMENT OF DEFENSE UNDER THE DEFENSE PRODUCTION ACT > SUBPART C—Definitions (§221.21 to §221.21)