Short answer: A restocking fee isn't automatically illegal in the United States. For a voluntary, change-of-mind return, a retailer may be able to deduct a fee if the policy was clearly disclosed and doesn't conflict with applicable state law. The analysis can change when the item is defective, misdescribed, damaged in transit, incomplete, or the wrong item.

The percentage alone won't settle the question. Start with the reason for the return, the policy shown when you bought the item, and the way the seller calculated the deduction.

Classify the return before you send it back

A seller may handle an opened item you no longer want differently from an item that arrived broken. Use the most accurate reason in the return portal and in your messages.

If the seller labels a defective or incorrectly shipped item as a voluntary return, correct that description in writing. Include the date you first reported the problem and any supporting photographs.

What controls the fee?

There isn't one nationwide restocking-fee percentage for ordinary retail returns. Several documents and procedures may matter:

1. The seller's return policy. Check the version shown on the product page, checkout screen, order confirmation, receipt, or account page.
2. The law that applies to the purchase. State rules differ, and some products or transactions can have special protections.
3. The item's condition and return history. The seller may inspect the item and should be able to explain which policy rule it applied.
4. The marketplace's terms. A marketplace may impose its own deadline, return channel, or dispute process in addition to the individual seller's policy.
5. The payment method. A merchant refund disagreement and a credit-card billing dispute are separate matters.

The FTC says many stores set their own return deadlines, such as 30 or 90 days. That guidance doesn't create a universal federal 30-day right to return every purchase. Check the actual policy instead of relying on a general rule. See the FTC guidance on returns, refunds, and resolving complaints.

Look for clear disclosure

Before purchase, a return policy should make these points understandable:

• the fee amount or calculation method;
• the situations that trigger it;
• whether it is based on the item price, order total, or another amount;
• condition requirements;
• who pays return shipping;
• exclusions for defects, seller errors, or shipping damage; and
• the return deadline and refund process.

A fee that first appears after you request a return is worth challenging, especially if the version of the policy available at purchase said nothing about it. Save a screenshot or PDF of that earlier version. The current page may have changed.

California shows why the wording and placement of a policy matter. The Sacramento Law Library's consumer guide says stores can set their own refund policies, including requiring original packaging or a restocking fee, but the policy must be posted conspicuously in the store or on the order form. The guide also notes exceptions, so an "all sales final" statement may not answer every return question. Read the California returns and exchanges guidance and verify the rule that applies to your transaction.

Why a percentage chart can mislead you

Online charts often describe 10%, 15%, 20%, or 50% as though one number decides whether a fee is valid. It doesn't. A retailer's published 15% fee, an electronics company's 20% rule, and a marketplace's product-specific policy aren't automatically legal limits for every seller.

Ask instead:

• Where was the fee disclosed?
• What event triggered it?
• What price did the seller use as the base?
• Was the item defective, damaged, incomplete, or sent by mistake?
• Does the policy exclude that type of return?
• Did the seller follow the stated return window and condition rules?
• Does the applicable state law provide a different remedy?

A large or unexplained deduction deserves an explanation, but the amount by itself doesn't establish whether the seller may charge it. The reason for the return and the policy language are usually more useful starting points.

Before you return the item

Work through these steps before shipping anything:

1. Save the policy. Keep the product page, checkout language, receipt, order confirmation, or account record that showed the return terms when you bought the item.
2. Write down the dates. Note the purchase date, delivery date, date you reported a problem, and any deadline to request or ship the return.
3. Record the reason. State whether this is a change of mind, defect, damage, missing parts, wrong item, or another seller-related error.
4. Check the condition rules. Look for requirements about seals, tags, packaging, accessories, activation, software, hygiene, and signs of use.
5. Work out the fee formula. Find out whether the charge is flat or percentage-based and what amount it is calculated against.
6. Ask about the rest of the refund. Sales tax, original shipping, and return postage may be treated separately under the policy. Ask rather than guessing.
7. Get authorization if required. Keep the authorization number, label, instructions, and shipping deadline.
8. Document the item. Photograph the product, serial number, accessories, packaging, shipping label, and any defect.
9. Use trackable shipping. Keep the receipt and delivery confirmation.
10. Keep the conversation. Save emails, chats, online forms, and notes showing when you contacted the seller and who responded.

The FTC recommends being clear about the result you want and keeping notes about attempts to resolve a complaint. It also advises saving copies of online forms or chats, or taking a picture of the screen before leaving it. That record can help if the seller later says the return was late, incomplete, or damaged.

Check the refund calculation

Suppose an item cost $200 and the disclosed policy says a permitted restocking fee is 15% of the item price. The fee calculation would be $30. That arithmetic doesn't, by itself, show that the deduction is allowed.

Compare the refund statement with the policy:

• Is the percentage or flat amount correct?
• Did the seller use the right price as the base?
• Was the return within the stated window?
• Was the item in the condition required by the policy?
• Did the policy waive the fee for the reason you gave?
• Did the seller deduct anything the policy doesn't mention?

Ask for an itemized explanation. If the seller says the item was used or damaged, request the inspection date and any photographs or notes supporting that conclusion.

How to challenge the fee

Start with the seller

Use the retailer's email address or contact form so you have a record. Include the order number, return date, accurate reason, relevant policy wording, fee amount, and the result you want.

For example: "Please remove the $30 fee because the item arrived damaged and I reported the damage on the day of delivery." That gives the seller something specific to investigate.

Ask for the exact policy section authorizing the deduction and how the amount was calculated. If the fee wasn't disclosed before purchase, attach the policy copy or order record you saved.

Correct the return classification

If the item was defective, wrong, or damaged before you received it, ask the seller to correct any record describing the return as buyer's remorse. Attach photographs, delivery records, and your first report of the problem.

Use the marketplace's process

For a marketplace purchase, use the order's official return or dispute channel before its deadline. Upload the policy, photographs, tracking details, messages, and refund statement. An informal promise from a seller representative may not preserve your rights under the platform's process.

Consider other complaint routes

If the seller and marketplace don't resolve the issue, consider contacting your state consumer-protection office. Small-claims court may also be an option, depending on the facts and your state's procedures. The FTC notes that small-claims limits vary by state.

Keep the complaint focused: identify the promised policy, the reason for return, the deduction, and the documents that support your account.

A credit-card dispute is separate

A credit-card billing dispute isn't a general right to reverse any restocking fee you dislike. It follows a separate federal process and may apply only if the facts fit a qualifying billing error or another protected category.

The FTC says a written billing-error notice should reach the card issuer within 60 days after the first statement containing the error was sent. Keep a copy. The issuer generally must acknowledge the complaint within 30 days unless it has already resolved the matter, and generally must resolve the dispute within 90 days. Read the FTC guidance on using credit cards and disputing charges.

Those timelines apply to the credit-card billing-error process. They don't automatically apply to debit cards, prepaid cards, or every disagreement over a merchant's return policy. Ask the issuer which procedure fits your situation, and continue saving your communications with the seller.

Message template for challenging a fee

You can adapt this note:

Subject: Request to review restocking fee for order [order number]

I returned [item] on [date] because [accurate reason]. The item was
[unused and complete / defective / damaged on arrival / the wrong item].

The return policy I saw at purchase stated: "[quote the relevant wording]."
My refund shows a restocking fee of [$ amount]. Please confirm the policy
section authorizing this deduction and explain how the amount was calculated.

Because [briefly explain the defect, damage, seller error, or disclosure
problem], please review the fee and issue any additional refund due. Please
also confirm the decision in writing.

Attached are the order confirmation, policy copy, photographs, tracking
record, and refund statement.

Thank you,
[name]

If the fee was clearly disclosed and the return is strictly voluntary, you can ask for a courtesy waiver, but keep your expectations realistic. If the seller made the mistake or the item was defective, lead with that fact and ask for review under the appropriate return category.

Common questions

Is a restocking fee legal in the United States?

It may be allowed for a voluntary return when it was properly disclosed and doesn't conflict with applicable state law or another consumer protection. There is no single answer for every retailer, product, or state.

Does federal law require every store to accept returns within 30 days?

No. The FTC says stores often set their own deadlines, including 30 or 90 days. Check the retailer's policy and any state rule that applies to the transaction.

Can a retailer charge the fee for a defective item?

Don't assume that a defective, damaged, misdescribed, incomplete, or incorrectly shipped item is the same as a change-of-mind return. Report the problem promptly, preserve evidence, and ask the seller to apply the policy or legal remedy for that problem.

What evidence should I keep?

Save the order confirmation, policy shown at purchase, receipt, delivery date, photos, packaging records, return authorization, tracking information, refund statement, and every message with the seller or marketplace.

Before requesting a return label, save the policy and write down the precise reason for the return. Then ask for an itemized refund decision in writing.