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Cite this Code: CFR

To cite the regulations in

this volume use title, part and section number. Thus, 40 CFR 1.1 refers to Title 40, Part 1, section 1.


The Code of Federal Regulations is a codification of the general and permanent rules published in the Federal Register by the Executive departments and agencies of the Federal Government. The Code is divided into 50 titles which represent broad areas subject to Federal regulation. Each title is divided into chapters which usually bear the name of the issuing agency. Each chapter is further subdivided into parts covering specific regulatory areas.


Each volume of the Code is revised at least once each calendar year and issued on a quarterly basis approximately as follows: Title 1 through Title 16............

as of January 1 Title 17 through Title 27........

as of April 1 Title 28 through Title 41.......

........ as of July 1 Title 42 through Title 50..........

as of October 1 The appropriate revision date is printed on the cover of each volume.


The contents of the Federal Register are required to be judicially noticed (44 U.S.C. 1507). The Code of Federal Regulations is prima facie evidence of the text of the original documents (44 U.S.C. 1510).


The Code of Federal Regulations is kept up to date by the individual issues of the Federal Register. These two publications must be used together to determine the latest version of any given rule.

To determine whether a Code volume has been amended since its revision date (in this case, July 1, 1988), consult the "List of CFR Sections Affected (LSA),” which is issued monthly, and the “Cumulative List of Parts Affected,” which appears in the Reader Aids section of the daily Federal Register. These two lists will identify the Federal Register page number of the latest amendment of any given rule.


Each volume of the Code contains amendments published in the Federal Register since the last revision of that volume of the Code. Source citations for the regulations are referred to by volume number and page number of the Federal Register and date of publication. Publication dates and effective dates are usually not the same and care must be exercised by the user in determining the actual effective date. In instances where the effective date is beyond the cut-off date for the Code a note has been inserted to reflect the future effective date. In those instances where a regulation published in the Federal Register states a

What is incorporation by reference? Incorporation by reference was estab-

lished by statute and allows Federal agencies to meet the requirement to pub-

lish regulations in the Federal Register by referring to materials already pub-

lished elsewhere. For an incorporation to be valid, the Director of the Federal

Register must approve it. The legal effect of incorporation by reference is that

the material is treated as if it were published in full in the Federal Register (5

U.S.C. 552(a)). This material, like any other properly issued regulation, has the

force of law.

What is a proper incorporation by reference? The Director of the Federal

Register will approve an incorporation by reference only when the requirements
of 1 CFR Part 51 are met. Some of the elements on which approval is based are:

(a) The incorporation will substantially reduce the volume of material pub-
lished in the Federal Register.

(b) The matter incorporated is in fact available to the extent necessary to
afford fairness and uniformity in the administrative process.

(c) The incorporating document is drafted and submitted for publication in
accordance with 1 CFR Part 51.

Properly approved incorporations by reference in this volume are listed in the
Finding Aids at the end of this volume.

What if the material incorporated by reference cannot be found? If you have
any problem locating or obtaining a copy of material listed in the Finding Aids
of this volume as an approved incorporation by reference, please contact the
agency that issued the regulation containing that incorporation. If, after con-
tacting the agency, you find the material is not available, please notify the
Director of the Federal Register, National Archives and Records Administra-
tion, Washington DC 20408, or call (202) 523-4534.


A subject index to the Code of Federal Regulations is contained in a separate
volume, revised annually as of January 1, entitled CFR INDEX AND FINDING AIDS.
This volume contains the Parallel Table of Statutory Authorities and Agency
Rules (Table I), and Acts Requiring Publication in the Federal Register (Table

III). A list of CFR Titles, Chapters, and Parts and an alphabetical list of agen-
cies publishing in the CFR are also included in this volume.

An index to the text of "Title 3-The President" is carried within that


The Federal Register Index is issued monthly in cumulative form. This index

is based on a consolidation of the “Contents” entries in the daily Federal Regis-


A List of CFR Sections Affected (LSA) is published monthly, keyed to the

revision dates of the 50 CFR titles.


For a summary, legal interpretation, or other explanation of any regulation in

this volume, contact the issuing agency. Inquiries concerning editing procedures
and reference assistance with respect to the Code of Federal Regulations may be
addressed to the Director, Office of the Federal Register, National Archives and
Records Administration, Washington, D.C. 20408 (telephone 202-523-3517).
Sales are handled exclusively by the Superintendent of Documents, Govern-
ment Printing Office, Washington, D.C. 20402 (telephone 202-783-3238).

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