Government

International Tax Dialog (ITD) is a joint initiative by the IMF, OECD and World Bank to share good taxation practices and to facilitate discussion. It offers policy documents, legislation and treaties from participating revenue authorities. Current participants are Australia, the Netherlands, the United States, Canada, Japan, the United Kingdom, Norway, Chile, France, New Zealand, Singapore, Spain and the OECD.

OECD Taxation contains many reports, news articles and statements on various aspects of taxation, including the Model Convention, transfer pricing, corruption, tax statistics, electronic commerce, and harmful tax practices.

taxsites.com - International Tax is an excellent comprehensive collection of links to sites in the following areas: foreign tax authorities, IRS resources, OECD resources, and other resources.

TaxUp: Global Portal for Tax and Accounting links to tax and accounting sites by country and by topic.

Full Text of International Instruments

Finance Canada International Tax Treaties

Income Tax Treaties (US Internal Revenue Service)

International - Tax and Social Security Treaties (UK)

OECD Model Tax Convention

Government Documents

Tax Regulations (US Internal Revenue Service) includes a list of tax regulations since 1995 and links to the Federal Register, Code of Federal Regulations, and United States Code.