Australian Competition and Consumer Commission
The ACC provides a great deal of information about Internet shopping publications to help protect consumers in the form of various publications such as:

Your online rights A flyer to help you understand your rights under the Trade Practices Act when shopping over the internet.

Warranties and refunds This publication deals broadly with what consumers and businesses need to know about warranty and refund rights and obligations (includes an example 'letter of demand').

Consumers This issue of ACCC update is targeted at consumers. It explains how the Trade Practices Act protects consumers and what the ACCC can do to help. It examines e-commerce from the consumer's point of view.

e-commerce This issue clarifies the legal rights and responsibilities of businesses that have websites. Businesses are often unaware of how the legal obligations of disclosure and business practice translate.

Shopping online Rights and obligations when trading over the internet—an ACCC survey of the top 1000 Australian consumer websites.

Online Shopping Checklist:
The following information is covered by the ACC in their Online Shopping Checklist and is highly recommended reading for both consumers and those involved in an online business.

Identifying info, do you know who you're dealing with?
Description of product, do you know what you're buying?
Cost and currency, do you know how much you're paying?
Confirm the order, do you know if your order is correct?
Privacy, do you know how any personal information you submit will be treated?
Payment mechanism, do you know what sort of online security the website has for processing your payment?
Print out details, do you have printed copies of the terms of your agreement?
Delivery, do you know how long it will take for the product to get to you and who to call if it doesn't arrive?
Terms and conditions, do you know all the terms and conditions?
Refunds and warranties, do you know the business's return, exchange, refund and warranty policies?
Complaint handling and dispute resolution, will you have access to a complaints handling process or any external dispute resolution mechanisms?
Get the answers to these questions and more from the ACC's Online Shopping Checklist: