This article is from the Legal Research FAQ, by Mark Eckenwiler with numerous contributions by others.
In addition to the official legislation of Congress, federal law
includes regulations created by various federal agencies. Prior to
taking effect, a regulation must be printed in the Federal Register.
Upon being finally adopted, a regulation is codified in the Code of
Federal Regulations (C.F.R., not to be confused with the Council on
Similar to statutes and cases, a citation to a federal regulation
has the basic form
[volume] C.F.R. sec. [number]
Knowing the cite for the section you need is essential, as the C.F.R.
index is practically worthless. Since most regulations are
promulgated pursuant to an explicit statutory grant of authority, one
of the best methods for locating regulations on a specific subject is
to consult **U.S.C.A. Once you locate the relevant statute, look in
the text which follows for cross-references under the heading "Code of