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eCFR

The Electronic Code of Federal Regulations

eCFR

Navigate by entering citations or phrases (eg: 1 CFR 1.1 49 CFR 172.101 Organization and Purpose 1/1.1 Regulation Y FAR).

Choosing an item from citations and headings will bring you directly to the content. Choosing an item from full text search results will bring you to those results. Pressing enter in the search box will also bring you to search results.

Background and more details are available in the Search & Navigation guide.

Reader Aids

Reader Aids help people use and understand the eCFR. Reader Aids information is not published in the Code of Federal Regulations.

Welcome to the eCFR! Check out our Getting Started guide to make the most of the site.

Titles

 Last Amended Recent Changes
Title 1 :: General Provisions Dec 29, 2022
Title 2 :: Federal Financial Assistance Jan 03, 2025 view changes
Title 3 :: The President Mar 17, 2015
Title 4 :: Accounts Jul 18, 2024
Title 5 :: Administrative Personnel Sep 15, 2025 view changes
Title 6 :: Domestic Security Jun 09, 2025 view changes
Title 7 :: Agriculture Sep 26, 2025 view changes
Title 8 :: Aliens and Nationality Sep 05, 2025 view changes
Title 9 :: Animals and Animal Products Jul 01, 2025 view changes
Title 10 :: Energy Sep 26, 2025 view changes
Title 11 :: Federal Elections Feb 20, 2025 view changes
Title 12 :: Banks and Banking Sep 25, 2025 view changes
Title 13 :: Business Credit and Assistance Jul 03, 2025 view changes
Title 14 :: Aeronautics and Space Sep 15, 2025 view changes
Title 15 :: Commerce and Foreign Trade Sep 26, 2025 view changes
Title 16 :: Commercial Practices Sep 24, 2025 view changes
Title 17 :: Commodity and Securities Exchanges Sep 19, 2025 view changes
Title 18 :: Conservation of Power and Water Resources Aug 18, 2025 view changes
Title 19 :: Customs Duties Sep 16, 2025 view changes
Title 20 :: Employees' Benefits Sep 18, 2025 view changes
Title 21 :: Food and Drugs Sep 25, 2025 view changes
Title 22 :: Foreign Relations Sep 18, 2025 view changes
Title 23 :: Highways Sep 22, 2025 view changes
Title 24 :: Housing and Urban Development Sep 15, 2025 view changes
Title 25 :: Indians Sep 29, 2025 view changes
Title 26 :: Internal Revenue Sep 16, 2025 view changes
Title 27 :: Alcohol, Tobacco Products and Firearms Sep 29, 2025 view changes
Title 28 :: Judicial Administration Jul 03, 2025 view changes
Title 29 :: Labor Sep 26, 2025 view changes
Title 30 :: Mineral Resources Sep 25, 2025 view changes
Title 31 :: Money and Finance: Treasury Sep 25, 2025 view changes
Title 32 :: National Defense Aug 27, 2025 view changes
Title 33 :: Navigation and Navigable Waters Sep 29, 2025 view changes
Title 34 :: Education Aug 15, 2025 view changes
Title 35 :: Reserved
Title 36 :: Parks, Forests, and Public Property Jul 18, 2025 view changes
Title 37 :: Patents, Trademarks, and Copyrights Aug 14, 2025 view changes
Title 38 :: Pensions, Bonuses, and Veterans' Relief Sep 29, 2025 view changes
Title 39 :: Postal Service Sep 29, 2025 view changes
Title 40 :: Protection of Environment Sep 29, 2025 view changes
Title 41 :: Public Contracts and Property Management Jan 21, 2025 view changes
Title 42 :: Public Health Sep 25, 2025 view changes
Title 43 :: Public Lands: Interior Sep 25, 2025 view changes
Title 44 :: Emergency Management and Assistance Dec 31, 2024
Title 45 :: Public Welfare Sep 11, 2025 view changes
Title 46 :: Shipping Jul 01, 2025 view changes
Title 47 :: Telecommunication Sep 26, 2025 view changes
Title 48 :: Federal Acquisition Regulations System Sep 22, 2025 view changes
Title 49 :: Transportation Sep 29, 2025 view changes
Title 50 :: Wildlife and Fisheries Sep 23, 2025 view changes

The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. It is not an official legal edition of the CFR.

Learn more about the eCFR, its status, and the editorial process.

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