This page points to Australian and overseas government agencies with an interest in online consumer issues. The federal Treasury Department has a small set of pointers to e-commerce and consumer affairs sites and documents. Past practice suggests those guidelines will be progressively adopted by all major economies, generally through national legislation. It's primarily an information site drawing on the activities of numerous agencies. Perspectives on Consumer Protection in the Global Electronic Marketplace were provided mid-year by a major conference under the auspices of the Federal Trade Commission.
Most provinces have similar agencies.
Most EU member states have consumer affairs ministries and agencies at the national level.