| Australian Taxation Office: Tax information for individuals, Companies and organisations, from the Tax Department of the Australian Federal Government. |
| Boon Docks, Inc.: Compilation of US withholding and unemployment tax rates. |
| Inc.com: Information and resources on law and taxation for small businesses and entrepreneurs. |
| IRS: The U.S. government agency responsible for tax collection and tax law enforcement. Includes income tax forms, instructions, and agency publications. |
| IRS Audit Infrormation: How to prepare, what to expect, the different types of audits, and taxpayers’ rights during an audit. |
| Michael Gray, CPA: Offering a monthly newsletter about the US tax code and tax law. |
| Phoenix: Consultancy offering articles on a variety of tax subjects. |
| Tax Facts Center: Tax information for citizens, policy analysts, legislators, and the press. A joint project of the Urban Institute and Brookings Institution. |
| Tax News Network: Tax information and news on subjects including business, e-commerce, insurance and international taxation, from PricewaterhouseCoopers, LLP. |
| Tax Repair Handbook: Do-it-yourself IRS tax negotiation. Solve tax problems, strategies & techniques for unfiled tax returns, payment plans, offers-in-compromise. |
| TaxLaw.be: Links and information concerning Belgian and international tax law. |
| TaxMama: Articles on a broad range of tax subjects. |
| The Tax Forum: Introduction to strategies and shelters. |
| The Tax Resource Group: Tax Research, consulting and research for attorneys, CPAs and EAs. |
| TRAC IRS Site: Providing information about the IRS (free registration required). |
| Uncle Fed's Tax Board: Providing information on the United States tax system, filing a tax return, and problems that may be encountered by taxpayers. Also offers links to downloadable tax forms. |
| Vernon Jacobs, CPA: Introductory information on U.S. income taxes. |