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Federal Tax Research: Home

A selective list of titles intended to provide some of the more useful sources for researching tax law

Federal Tax Research Basics

Research in the area of federal taxation makes extensive use of both primary and secondary resources. The legislative, administrative and judicial branches of the federal government produce primary authority in the form of statutes, treaties, regulations, rulings and decisions. Secondary sources consist of unofficial publications such as treatises, tax services and periodical literature. Secondary materials may be used to locate, explain, analyze and interpret primary tax resources. This guide highlights many of the commonly used tax reference resources. 

First time with Tax Law?

The following address the intricacies of researching issues of federal taxation. As tax research is complex, consulting one of the following may be helpful for the first time tax researcher. 

Loose-Leaf Services

Loose-leaf services are hybrid research tools that bring together primary and secondary materials, providing access to statutes, regulations and excerpts from Congressional reports, administrative rulings and references to judicial decisions , and that provide analysis and practical explanations for complex issues. 

The Internal Revenue Code

There are three distinct Internal Revenue Codes: the 1939 Code, the 1954 Code and the 1986 Code. The 1986 code, as amended, is the present law. The Internal Revenue Code is Title 26 of the current United States Code.