Code of Federal Regulations in XML

Metadata Updated: March 27, 2020

The Code of Federal Regulations (CFR) is the codification of the general and permanent rules published in the Federal Register by the executive departments and agencies of the Federal Government. It is divided into 50 titles that represent broad areas subject to Federal regulation. Each print volume of the CFR is updated once each calendar year, and is issued on a quarterly basis. Bulk data downloads of Code of Federal Regulations files in XML format are available from 1996 to the present, by year, title, and volume. The current XML data set is not yet an official format of the Code of Federal Regulations. Only the PDF and Text versions have legal status as parts of the official online format of the Code of Federal Regulations. The XML-structured files are derived from SGML-tagged data and printing codes, which may produce anomalies in display. In addition, the XML data does not yet include image files. Users who require a higher level of assurance may wish to consult the official version of the Code of Federal Regulations on The FDsys data set includes digitally signed Code of Federal Regulations PDF files, which may be relied upon as evidence in a court of law. See:

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.


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Metadata Created Date May 28, 2016
Metadata Updated Date March 27, 2020
Data Update Frequency R/P1Y

Metadata Source

Harvested from NARA Data.json

Additional Metadata

Resource Type Dataset
Metadata Created Date May 28, 2016
Metadata Updated Date March 27, 2020
Publisher Office of the Federal Register
Unique Identifier NARA-CFR
Public Access Level public
Data Update Frequency R/P1Y
Bureau Code 393:00
Metadata Context
Schema Version
Catalog Describedby
Collection Metadata true
Data Quality True
Harvest Object Id 6699ea2e-3715-4ab9-86a5-ca0c1c4b9d87
Harvest Source Id c0e7e8ba-9c80-4ec1-9235-7d4d85688d84
Harvest Source Title NARA Data.json
Data First Published 2010-09-21
Data Last Modified 2012-12-31
Program Code 000:000
Publisher Hierarchy National Archives and Records Administration > Office of the Federal Register
Related Documents
Source Datajson Identifier True
Source Hash c5228fc505967390687e5fa6ebdffaafb85392c2
Source Schema Version 1.1
Spatial United States
Temporal 1996-01/2013-12
Category regulations

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