In Browse, select Legislative History. Options exist to search individually or combined searches of: the Congressional Record, Congressional Testimonies (given before Senate or House of Representatives hearings), U.S. Political Transcripts; Legislative History of the U.S. Code; U.S. G.A.O. federal legislative histories; and U.S. Public Laws-Historical.
References to legislative histories for tax laws may be found after searching "legislative history" and then selecting among the portfolios the topic of interest. Sometimes the portfolios will provide information on how a new law changed the section or subsection of the Tax Code and provide citations to references that may be searched.
Search "legislative history" and either a public law number, if known, or the popular name of the law, such as "Affordable Care Act" to retrieve articles, books, and law reviews articles that provide the legislative history.
Print Histories In our Collection
There are many sources of compiled legislative histories. The most readily available source for newer federal laws is USCAN (see first item below):
Reference 2nd Floor - KF 63 .A5 Newman Library has 1967 to2011. Contains all public laws, as well as excerpts of legislative history for all public laws. Arranged by Congressional session and public law number; first part has public laws and second part has legislative history.