Site Feedback

Website Feedback

This contact form is only for website help or website suggestions. If you have questions or comments regarding a published document please contact the publishing agency. Comments or questions about document content can not be answered by OFR staff. Please do not provide confidential information or personal data.
The National Archives and Records Administration is closed to normal operations due to a lack of appropriations. eCFR.gov will not be updated until we resume normal operations.

eCFR

The Electronic Code of Federal Regulations

Title 47

Displaying title 47, up to date as of 9/29/2025. Title 47 was last amended 9/26/2025.
A drafting site is available for use when drafting amendatory language

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.

  1. Title 47
  • Previous
  • Next
  • Details
    Enhanced Content - Details
    URL
    https://www.ecfr.gov/current/title-47
    Citation
    Title 47 of the CFR

    Enhanced Content - Details
  • Print
    Enhanced Content - Print
    Enhanced Content - Print
  • Search
    Enhanced Content - Search Current Hierarchy
    Enhanced Content - Search Current Hierarchy
  • Subscribe
    Enhanced Content - Subscribe

    Subscribe to: Title 47 of the CFR

    Enhanced Content - Subscribe
  • Timeline
    Enhanced Content - Timeline
    Enhanced Content - Timeline
  • Go to Date
    Enhanced Content - Go to Date
    Enhanced Content - Go to Date
  • Published Edition
    Enhanced Content - Published Edition

    View the most recent official publication:

    These links go to the official, published CFR, which is updated annually. As a result, it may not include the most recent changes applied to the CFR. Learn more.

    Enhanced Content - Published Edition
  • Developer Tools
    Enhanced Content - Developer Tools


    Information and documentation can be found in our developer resources.

    Enhanced Content - Developer Tools
eCFR Content

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.

Title 47 TelecommunicationPart / Section
Chapter I Federal Communications Commission 0 – 199
Subchapter B Common Carrier Services 20 – 69
Subchapter C Broadcast Radio Services 70 – 79
Subchapter D Safety and Special Radio Services 80 – 199
Chapter II Office of Science and Technology Policy and National Security Council200 – 299
Part 200 [Reserved]
Parts 217-299 [Reserved]
Chapter III National Telecommunications and Information Administration, Department of Commerce300 – 399
Parts 303-399 [Reserved]
Chapter IV National Telecommunications and Information Administration, Department of Commerce, and National Highway Traffic Safety Administration, Department of Transportation400 – 499
Parts 401-499 [Reserved]
Chapter V The First Responder Network Authority500 – 599
Subchapter A National Telecommunications and Information Administration Regulations 500 – 549
eCFR Content

AltStyle によって変換されたページ (->オリジナル) /