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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, 1981), 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. 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, 1973, consult either the List
of CFR Sections Affected, 1949-1963, or 1964-1972, published in three separate
volumes. For the period beginning January 1, 1973, a “List of CFR Sections
Affected” is published at the end of each CFR volume.



The Federal procurement regulations in Chapter 1 of Subtitle A are those
government-wide procurement regulations issued by the General Services Ad-
ministration. In Chapters 2 through 49 of Subtitle A are procurement regula-
tions issued by individual government agencies. The first 49 parts in each of
Chapters 2 through 49 are reserved for agency regulations implementing the
Federal procurement regulations in Chapter 1 and are numerically keyed to
them. The remaining parts in Chapters 2 through 49 contain agency regulations
supplementing the Federal procurement regulations.

Other government-wide procurement regulations relating to public contracts
appear in Chapters 50 through 100, Subtitle B.

The Federal property management regulations in Chapter 101 of Subtitle C
are government-wide property management regulations issued by the General
Services Administration. In the remaining chapters of Subtitle are the imple-
menting and supplementing property management regulations issued by individ-
ual Government agencies. Those regulations which implement Chapter 101 are
numerically keyed to it.


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