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Research Guides

Federal Statutory Law

Guidance on how to research up-to-date Federal statutes

Interpreting Citations

Public Law Numbers:

A new law is first published as a slip law and is given a public law number. Public laws are numbered sequentially starting with each new Congress and cited in the following way: Pub. L. No. 101-123.

  • Pub. L. No. = Bluebook abbreviation for "public law number"
  • 101 = the Congress
  • 123 = sequential number assigned to the law

United States Statutes at Large:

Slip laws are then compiled into bound volumes known as session laws. "Session laws" refer to the publication of laws enacted during a legislative session into a chronological sequence. This is the function of the United States Statutes at Large. An example of a citation to the United States Statutes at Large is: 80 Stat. 931.

  • 80 = volume number of the United States Statutes at Large
  • Stat. = Bluebook abbreviation for United States Statutes at Large
  • 931 = page on which the text of the law begins

United States Code:

In the United States Code (U.S.C.), the laws are grouped into titles, with each title representing a particular subject area, instead of chronologically. In the codified version of a law, section numbers of the session law version are renumbered from their original public law numbers. Thus, the section numbers of the session law will be different from the sections numbers of the codified version. An example of a citation to the United States Code is: 5 U.S.C. § 555.

  • 5 = title of the United States Code (Title 5, Government Organization and Employees)
  • U.S.C. = Bluebook abbreviation for the United States Code
  • 555 = section number

Reference Sources [Aids for finding the Law]