Category Index to Tax Resources (Homepage)
IRS, Treasury, and Department of Justice Sources
Other Legal Websites with Databases
Possessions, Treaties, and Select Foreign Nations
Miscellaneous Statutes and Other Useful Sources
State Agencies (Other than Michigan Sources)
Tax Policy Groups and Tax Organizations
CPAs Thinking of Going to Law School
Recent Tax and Tax-Related Statutes
Recent Important Tax Cases and Developments
Major IRS and Treasury Sources (Section 1)
Internal Revenue Service - general
Department of Treasury - general
Chief Counsel Directives Manual
Continuing Education for Tax Professionals
Department of Treasury Tax Policy Document
Published Guidance for Exempt Organizations
Tax Exempt Organization Search (Formerly Select Check)
IRS Divisions and Principal Offices
IRS Written Determinations (includes TAMs)
Local (Michigan) IRS Assistance Offices
Other Published Guidance (on-line looseleaf is easier)
Private Letter Rulings - under Non-precedential Rulings & Advice
Registered Tax Return Preparer Information
Table of Applicable Federal Rates (AFRs)
United States Tax Treaty Links A to Z
Treasury Department Circular No. 230 (Rev. 6-2014)
Treasury Regulations (on-line looseleaf is easier)
Other IRS and Treasury Sources and Web Sites (Section 2)
Alcohol and Tobacco Tax and Trade Bureau (TTB)
IRS and Treasury Compensation Table (General)
IRS Electronic Reading Room - FOIA Library
IRS List of Groups Which Have Lost Their Tax-Exempt Status
Office of the Benefits Tax Counsel
Office of the International Tax Counsel
Office of the Tax Legislative Counsel
Small Business Lending Fund (SBLF)
Treasury Inspector General for Tax Administration
Understanding IRS Guidance - A Brief Primer
Department of Justice Sources (Section 3)
Department of Justice Tax Division - general
Appeals Settlements Guidelines
Department of Justice Criminal Tax Manual
Department of Justice Tax Division Electronic Reading Room
Department of Justice Tax Division Judgment Collection Manual
Department of Justice Tax Division Settlement Reference Manual
Department of Justice Tax Division Summons Enforcement Manual
United States Attorney Tax Manual (USAM, Title 6)