TaxMama Articles on a broad range of tax subjects.
TRAC IRS Site Providing information about the IRS (free registration required).
The Tax Resource Group Tax Research, consulting and research for attorneys, CPAs and EAs.
Tax News Network Tax information and news on subjects including business, e-commerce, insurance and international taxation, from PricewaterhouseCoopers, LLP.
TaxLaw.be Links and information concerning Belgian and international tax law.
Tax Facts Center Tax information for citizens, policy analysts, legislators, and the press. A joint project of the Urban Institute and Brookings Institution.
Inc.com Information and resources on law and taxation for small businesses and entrepreneurs.
Boon Docks, Inc. Compilation of US withholding and unemployment tax rates.
Michael Gray, CPA Offering a monthly newsletter about the US tax code and tax law.
IRS The U.S. government agency responsible for tax collection and tax law enforcement. Includes income tax forms, instructions, and agency publications.
Australian Taxation Office Tax information for individuals, Companies and organisations, from the Tax Department of the Australian Federal Government.
IRS Audit Infrormation How to prepare, what to expect, the different types of audits, and taxpayers’ rights during an audit.
The Tax Forum Introduction to strategies and shelters.
Phoenix Consultancy offering articles on a variety of tax subjects.