Put a faulty product aside and contact the seller in writing. In the United States, no general federal rule promises every buyer a refund within 30 days. The seller's policy, state law, warranty terms, and product type usually determine what happens next.

Turns out, several different deadlines are often treated as one. The EU's 14-day period usually covers changing your mind after a distance sale. The UK's 30-day period concerns faulty goods. Australia's consumer guarantees do not depend on one universal 30-day deadline.

Start with the evidence. Then identify the rule that fits the place and type of purchase. This is general consumer information, not legal advice, and local facts can change the result.

Start with the facts that control the claim

Write down these four details before you ask for money back: where the purchase happened, who sold it, when the defect appeared, and which warranty or guarantee applies. Small details can decide the remedy.

Keep three things separate: the store's return policy, the manufacturer's warranty, and statutory consumer rights. They may offer different remedies and use different deadlines.

Preserve evidence before you return the item

Make the product safe first. Stop using it if it overheats, sparks, leaks, breaks apart, or creates another hazard.

1. Keep purchase proof. Save the receipt, order confirmation, delivery record, payment record, model number, and serial number.
2. Capture the defect. Take clear photographs and a short video. Include error messages, missing parts, packaging damage, and the date you noticed the problem.
3. Save the product description. Keep the listing, photographs, specifications, and promises about performance or condition.
4. Read the terms. Check the fault-return policy, written warranty, extended warranty, and any as-is wording.
5. Write to the seller. Describe the problem, name the remedy you want, and ask for return instructions before shipping anything.
6. Keep the product and shipping records. Do not throw away the item. If the seller authorizes a return, save the label and tracking information.

Your notes can be plain. A dated order confirmation, three clear photos, a short video, the exact error message, and a straightforward account may be enough to show what happened.

A delivery scan proves that a parcel moved. It does not prove that the seller accepted the defect or approved a refund.

The regional difference in one table

The starting rules vary sharply by location. Do not carry one country's deadline into another country's dispute.

The country matters first. Product type and seller type matter next.

United States: no automatic federal refund window

US consumers do not have one nationwide federal deadline for refunds on defective products. A store's return policy may govern a change-of-mind return, while state law or a warranty may address an item that fails promised standards.

The federal Magnuson-Moss Warranty Act regulates written warranties on consumer products. The FTC's guide to federal warranty law says warrantors must give consumers detailed information about warranty coverage. For written warranties on consumer products costing more than $15, FTC disclosure and pre-sale availability requirements can apply.

Thing is, a written warranty is not automatically a promise of cash. It may require repair or replacement first. Exclusions, claim steps, and time limits can shape the process.

State law may add implied warranties or other remedies. Lemon laws generally target motor vehicles, not every failed laptop, phone, or appliance. No nationwide rule says that three repair attempts always require a refund.

Contact the seller first unless the warranty clearly sends you somewhere else. If the seller refuses, ask which specific policy or warranty term supports that answer. If the dispute remains unresolved, check your state's consumer-protection agency and small-claims rules; filing limits, fees, and eligible claim amounts vary.

United Kingdom: the 30-day rejection right is different

The Consumer Rights Act 2015 requires goods to be of satisfactory quality, fit for purpose, and as described. The retailer normally carries the statutory responsibility, even when another company made the product.

A buyer can usually use the short-term right to reject faulty goods within 30 days of ownership or delivery, whichever is later. That right is not the same as returning an unwanted item.

After that period, repair or replacement will usually come first. If the remedy is impossible, unsuccessful, or not completed within a reasonable time, a price reduction or final rejection may become available.

The 14-day online cancellation period follows a different rule. It usually covers changing your mind about a distance purchase, not the legal remedy for a defective product.

The usual court limitation period is six years in England and Wales and five years in Scotland. That is not a six-year warranty. You still need to show that the goods failed to meet the required standard. Which?'s faulty product guidance recommends trying to resolve the complaint before going to court.

European Union: separate the 14-day and two-year rules

EU rules place changing your mind and defective goods on separate tracks. For a fault, the seller is normally the first party to contact.

Your Europe explains the EU guarantee rules, including the difference between a legal guarantee and an optional commercial guarantee. A producer's commercial warranty can add protection. It cannot reduce the minimum legal guarantee.

National rules fill some gaps. Some countries allow longer periods, require notice within a set time, or treat second-hand goods differently.

For a cross-border purchase, keep the seller's registered location and the delivery country. The European Consumer Centre's warranty guidance can help with country-level differences.

Australia: the failure type changes the remedy

Australian Consumer Law guarantees apply when consumers buy covered goods from a business. There is no blanket 30-day deadline for every fault.

A major failure can give the consumer a choice between a refund and a replacement. Examples include an unsafe product, an item substantially different from its description, or a fault that cannot be fixed easily.

A business can generally choose to repair a product with a minor failure. If it does not complete the repair within a reasonable time, the consumer may be able to choose a replacement or refund. The ACCC's repair, replacement, and refund guidance explains the distinction.

The expected guarantee period depends partly on what a reasonable consumer would expect. Product type, price, and expected life can matter.

The original packaging is not required for a fault complaint. The ACCC says a business may ask for proof of purchase, such as a receipt. Most consumer guarantees also do not apply in the same way to a one-off private sale. Check the ACCC consumer guarantees guidance before treating a voluntary warranty as your only option.

Canada: province and contract details matter

Canada has no single refund rule for every defective-product dispute. The result can depend on the province or territory, whether the seller was a business or private person, the sales contract, and the manufacturer's warranty.

To be honest, location matters more here than a generic return guide suggests. Identify the province or territory, seller type, purchase date, product, defect, and written terms, then contact the relevant consumer affairs office or consider the proper court process.

Choose the right contact first

Start with the party connected to the remedy you want.

A manufacturer does not automatically owe a refund. If the seller carries the statutory guarantee, sending you to the manufacturer may not replace that obligation.

An extended warranty can create a contractual repair route. It does not decide by itself whether the seller breached consumer law.

Use a short written complaint

Give the business a clear problem and one requested outcome. Short messages are easier to answer and easier to preserve as evidence.

Adapt this template to the law and policy that apply:

Subject: Faulty [item] - order [number]

I bought [item] from you on [date]. On [date], I found this problem:
[brief description of the defect].

The item does not [work as described / perform its stated function / match the listing].
I am requesting [repair, replacement, or refund].

I have attached proof of purchase, photographs, and any relevant video or error message.
Please confirm the next step and return instructions in writing.

I will keep the item available for inspection or return.

Ask for one primary remedy. You can name a fallback, but listing every possible outcome may make the request harder to answer.

If the seller refuses

Ask the business to explain the refusal in writing. If it cites a deadline, ask whether that deadline comes from a voluntary return policy, a written warranty, or a statutory consumer right.

Keep one timeline. Include the purchase, delivery, discovery of the fault, each repair attempt, every message, and the final response. A dated record can expose a change in the seller's explanation.

Escalate in stages. Try the seller's complaint process, then the relevant warranty or marketplace process, followed by a consumer agency or alternative dispute service where one exists. In the United States, check your state's procedure. In the EU, cross-border buyers can review European Consumer Centre resources. In Australia, use ACCC guidance to identify the consumer guarantee that fits.

Small claims court may suit a modest, well-documented dispute. Court limits, fees, filing locations, service rules, and evidence requirements differ. Online win-rate claims are not a reliable substitute for checking the court's own rules.

Mistakes that weaken a good claim

Your next step

Send one calm written message today with the purchase date, defect description, requested remedy, and supporting evidence. If the reply is negative, save it, identify the rule or policy being relied on, and use the complaint route for your country or state.