Accounting

Web and database resources for federal taxes

Internal Revenue Service
The IRS website offers:
Thomson Reuters Checkpoint (formerly RIA Checkpoint)
This full-text tax research library includes United States Tax Reporter, tax cases, IRS material, State and Local Tax, news, and tax journals. Federal coverage is from 1990 to the present.
IRS Cumulative Bulletin and Internal Revenue Bulletin
Full text available from Nexis Uni (formerly LexisNexis Academic): 1954 to present

Thomson Reuters Checkpoint (formerly RIA Checkpoint)
This full-text tax research library includes United States Tax Reporter, tax cases, IRS material, State and Local Tax, news, and tax journals. State coverage is from 1997 to the present.
Bloomberg BNA Tax and Accounting Center
Offers a comprehensive array of analysis, news, primary sources, and practice tools covering federal, international, and state tax issues and financial accounting. Is organized by subject or “Practice Area,” accessible via the tabs located at the top of any of the “home” pages. Clicking the “All” tab at the far left will enable you to access all the content that is included in the UA Libraries' subscription.
State of Arizona Department of Revenue
The state website offers:

Offshore Profit Shifting and U. S. Tax Code Weaknesses: Analyses and the Apple Inc. Case Study
This book examines how Apple Inc. transferred the economic rights to its intellectual property through a cost sharing agreement with its own offshore affiliates, and was able to shift tens of billions of dollars offshore to a low tax jurisdiction and avoid U.S. tax.
Valuing Pass-Through Entities
Provides clarity for the analyst tasked with valuation, offering clear explanations of the different perspectives and approaches to the process. The book includes examples, templates, a useful technical supplement, plus case studies.