Tax Law-domestic & international
Australian Tax Treaties
(in schedules to the International Tax Agreements Act 1953)
ATO Law
The ATO Legal Database.
The Legal Database is a collection of legal and policy information including: Legislation and supporting material, Public Rulings, Determinations and Bulletins, ATO Interpretative Decisions, Case Decision Summaries (details of important decisions made by the ATO), ATO Practice Statements (directions to ATO staff on how to apply the laws administered by the Commissioner), Tax related case law, ATO Policy Papers, Annual Regulatory Plans, Freedom Of Information.
Canadian Legislation & Tax Treaties
Taxworld
(A comprehensive international tax site)