This research guide will assist you in compiling a legislative history for a federal statute. A legislative history consists of documents created during the passage of a piece of legislation.
For major pieces of federal legislation, exhaustive legislative histories are sometimes compiled and published. The following sources list these histories by name and public law number:
You may also locate compiled legislative histories using the ASU Libraries Catalog. If a compiled legislative history has not been published, you will need to gather the documents yourself.
Locate the latest version of the code section you wish to research. Most sources for the United States Code include historical information which will be in a parenthetical at the end of each section. The parenthetical will list all public laws that added or amended the section. Historical notes provide details about what changes were made. Determine which amendments are relevant to your research and note the public-law number for each amendment.
Go to one of the following places to locate the relevant public laws:
The original bill number assigned to the proposed legislation when it was introduced in Congress can be found on the public law in any of these sources. Note the bill number.
Proposed laws are introduced in Congress as bills or joint resolutions. As they go through the legislative process they can be changed many times. Compare the public law with the bill as introduced and with any amendments offered to see how the language changed. Changes that were made or rejected may give you an indication as to intent. Find bills and information about amendments and status in the following places:
You can view the path the public law took through Congress using the following sources:
Committee Reports and Conference Reports
Conference reports are frequently the best source of legislative intent because they represent the compromises made between the House and Senate and can include language which explains the intent of the legislation. Conference reports are numbered as either a House or Senate committee report and considered part of the same series. Citation: H.Rept. [Congress No.]-[Report No.], or S.Rept. [Congress No.]-[Report No.]. Find committee and conference reports in the following places:
Hearings and Committee Prints
Hearings provide insight into what issues and questions the Committee considered important. Hearings frequently include expert testimony from citizens and interested parties. Hearings are not considered as important for determining legislative intent as are Committee Reports.
Other Congressional Documents
Discussions on the floors of Congress are available in the Congressional Record. Find the Congressional Record in the following places:
Consult CQ Weekly Reports or search the CQ Library for discussions about major pieces of legislation and their progress through the two Congressional bodies.
CRS — Legislative History Research: A Basic Guide
This report provides an overview of federal legislative history research, the legislative process, and where to find congressional documents. The report also summarizes some of the reasons researchers are interested in legislative history, briefly describes the actions a piece of legislation might undergo during the legislative process, and provides a list of easily accessible print and electronic resources.
Consult the case annotations following the relevant code sections in the U.S.C.A. or U.S.C.S., or run a search on LexisNexis or Westlaw.
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