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LAW 350: Environmental Law

What is the CFR?

The CFR (Code of Federal Regulations) is published annually and is arranged by subject.  It is divided into 50 titles representing broad areas subject to Federal Regulation.  Each title is then updated once a year and is only current through the date of publication.  The titles are updated each year as follows:

Titles 1-16 January 1st
Titles 17-27 April 1st
Titles 28-41 July 1st
Titles 42-50 October 1st




The CFR contains the final rules and regulations of administrative agencies.  It is not updated by pocket parts, but because regulations are constantly being made or amended, the new or amended regulations will first appear in the Federal Register, long before they appear in the CFR.  Each paper volume of the CFR only contains the regulations that were in effect on the publication date.   Therefore, you must check the List of CFR Sections Affected (LSA) and the Federal Register to see if a regulation has been modified since the date it was published in the CFR.  This can be done online at:

Federal Register

Federal Register available through FDSys

You may search the Federal Register by Keyword using the Advanced Search

You may also search the hierarchical Federal Register Index

Where May I Find Codes, Regulations, and Statutes?

Annotated US Codes (USCS)

USCS is available in  Westlaw Campus Research

Code of Federal Regulations (CFR)

CFR is also available in  Westlaw Campus Research

Pennsylvania Statutes (along with statutes of other states)

       Available in Westlaw Campus Research

Purdon's Pennsylvania Statutes

      This print collection may be found in the Reference Collection (2nd floor) of Andruss Library at the following call number.

      Ref KFP 30 .A42


Legal Terms

Prezi on Legal Terms

In this presentation, the following terms are addressed.





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