Plain-English legal information for online shoppers, sellers and creators in the US, UK & EU

General information, not legal advice

Wooden judge’s gavel resting on a laptop keyboard

Consumer rights · Business law · Fraud · Brands

The law of buying and selling online, made clear.

Free, plain-English guides to your rights as an online shopper and your duties as an online business: refunds and returns, chargebacks, scams, trademarks, affiliate rules and customer complaints. For the US, UK and EU, with the official sources linked.

Covering USUKEU rules, side by side

Photo: Sasun Bughdaryan on Unsplash

  • Plain-English law no jargon
  • US, UK & EU side by side
  • Official sources linked on every guide
  • Free to use no sign-up

Why people use OnBusLaw

Built from the law, not opinion

Every guide is written from legislation, regulator guidance and official websites, which we link to, and dated so you can see when it was last checked.

US, UK and EU, side by side

Online shopping crosses borders. We set out the rules in each place together, so you can see which ones apply to you.

Free and independent

OnBusLaw is free to use. We’re not a law firm and don’t sell legal services; when you need advice, we point you to qualified, often free, help.

Key rules at a glance

Some of the most useful rules for buying and selling online. Each one links to a full guide with the conditions and exceptions.

All consumer rights →

Sorting out a problem with an online purchase

  1. Know your rights

    Find the rule that fits: cancellation, faulty goods, non-delivery or a card dispute. Note any deadlines.

  2. Put it in writing

    Contact the seller, explain what went wrong, say what you want and give a reasonable deadline. Keep copies.

  3. Escalate if needed

    Use your card provider, an ADR scheme or ombudsman, a regulator or small claims court. See how to escalate.

Online law in plain English

Buying, selling and creating online is governed by a patchwork of consumer law, payment rules, data protection, advertising codes and intellectual property law. OnBusLaw turns that patchwork into practical guides: what the rule is, who it protects, the deadlines that matter and where to go next.

Every page covers the United States (mainly federal law, with state differences flagged), the United Kingdom and the European Union, because the answer to “can I get my money back?” or “do I need to disclose this link?” often depends on where you, and the business, are.

For online shoppers

For online businesses, sellers and creators

How we write our guides

We start from primary sources such as legislation, regulations and regulator guidance, and link to them at the end of each guide. Pages show the date they were last updated, and time-sensitive changes are covered on our blog. Read our full editorial standards.

Our guides are general information, not legal advice. They can’t take account of your circumstances, and they don’t replace a qualified lawyer (an attorney or solicitor) or a free advice service where you live.

Last updated: 14 October 2026

Frequently asked questions

Is OnBusLaw a law firm?
No. OnBusLaw is a free legal information website. We don’t give legal advice or represent anyone, and reading our guides doesn’t create a lawyer–client relationship.
Which countries do your guides cover?
The United States (mainly federal law, with state differences flagged), the United Kingdom and the European Union. Where UK nations differ, for example Scotland, we say so. EU countries can add their own national rules on top of EU law.
How up to date is the information?
Each guide shows when it was last updated and links to the official sources it relies on. Laws change, so check those sources before acting on anything important.
How does OnBusLaw make money?
Some pages may include affiliate links, so a provider may pay us a commission if you sign up, at no extra cost to you. This never changes what our guides say. Read how we make money.

What legal question can we help with?