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Cite this Code CFR

thus: 41 CFR 10-12.801



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.

Titie 17 through Title 27

Title 28 through Title 41.

Title 42 through Title 50

Las of January 1

as of April 1 ---as of July 1

----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 there have been any amendments since the revision date of the Code volume in which the user is interested (in this case, July 1, 1977) the following two lists must be consulted: the "Cumulative List of CFR Sections Affected" issued monthly and the "Cumulative List of Parts Affected" which appears daily in the Federal Register. These two lists will refer the user to the Federal Register page where he may find the latest amendment of any given rule. EFFECTIVE DATES

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.

Provisions that become obsolete before the revision date stated on the cover of
each volume are not carried. Code users may find the text of provisions in effect on
a given date in the past by using the appropriate numerical list of sections affected.
For the period before January 1, 1964, the user should consult the "List of Sections
Affected, 1949-1963" published in a separate volume. For the period beginning
January 1, 1964, a "List of CFR Sections Affected" is published at the end of each
CFR volume.


A subject index to the Code of Federal Regulations which is revised annually

as of July 1, is contained in a separate volume entitled CFR INDEX. This volume

contains the Parallel Table of Statutory Authorities and Agency Rules (Table I),

and Acts Requiring Publication in the Federal Register (Table II). A list of CFR
Titles, Chapters, and Parts, an alphabetical list of CFR subtitles and chapters, and
lists of current and superseded CFR volumes are also included in this volume.

An index to the text of Presidential documents appears at the end of each
compilation of Title 3, The President.

The Federal Register Index is issued monthly, quarterly, and annually. This

index is based on a consolidation of the "Contents" entries in the daily Federal


A Cumulative List of CFR Sections Affected is published monthly, keyed to the

revision dates of the 50 CFR titles.

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The numbering system of Title 41 differs from that used for other titles of the
Code of Federal Regulations. The numbering system is especially designed to
permit the keying of agency regulations to government-wide regulations in Sub-
titles A and C which are issued by the General Services Administration. Chapters
are numbered in arabic. Each section number is a combination showing to the
left of the decimal point the chapter and part numbers, separated by a dash. To
the right of the decimal point the subpart, section, and subsection numbers are
indicated in that order. Thus, an agency assigned to Chapter 2, and wishing to
implement the cost-plus-a-fixed-fee contract provisions contained in Chapter 1,
Part 1-3, Subpart 1-3.4, section 05, subsection 5 of the Federal Procurement
Regulations (§ 1-3.405-5), would assign the section number "§ 2-3.405-5" to the
implementing provisions.

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