Quick answer: Mastercard reason code 4853 is Cardholder Dispute. Unlike Visa, which splits consumer disputes into several numbered codes, Mastercard uses 4853 as one umbrella for claims that the item was not received, was not as described or defective, that a subscription was cancelled, or that a refund was never given. On Shopify it appears as Product not received, Product unacceptable, Subscription cancelled or Credit not processed. Your first job is to work out which claim sits under the code, because the evidence that wins is different for each.
Last reviewed 8 October 2026. Card network rules and Shopify's process change, so always check the due date and instructions on your own dispute.
Mastercard 4853 at a glance
| Network and code | Mastercard 4853, Cardholder Dispute |
| Shopify labels | Product not received, Product unacceptable, Subscription cancelled, Credit not processed |
| What the customer claims | One of four things: not received, faulty or different, cancelled subscription, or refund not given |
| Who it affects | Any store selling to Mastercard holders |
| Your response window on Shopify | Usually 7 to 21 days, shown on the dispute page |
| Bank decision time | Up to 75 days after you submit, per Shopify |
| How many times you can submit | Once |
| Strongest evidence | Whatever answers the specific claim, with dates |
| Default call | Read the Shopify label, then follow the matching section below. |
What Mastercard 4853 means
A cardholder who is unhappy with a purchase tells their bank, and the bank picks the Mastercard code. For most consumer disputes that code is 4853. It is a family rather than a single claim. In practice the bank also records a more specific condition, such as "goods or services not provided" or "not as described", and Shopify translates that into its plain-English label.
This is why a 4853 can feel confusing: the number alone does not tell you what the customer says went wrong. The Shopify label does.
| What Shopify shows | The real claim | Visa equivalent | Our guide |
|---|---|---|---|
| Product not received | The order never arrived | 13.1 | Visa 13.1 |
| Product unacceptable | Faulty, damaged or not as described | 13.3 | Visa 13.3 |
| Subscription cancelled | Cancelled a recurring payment, still charged | 13.2 | Visa 13.2 |
| Credit not processed | Refund owed and never received | 13.6 | Visa 13.6 |
Mastercard has a separate code for disputes that do not fit these, 4854 (Cardholder Dispute: Not Elsewhere Classified), and a different code for fraud claims: 4837.
Equivalent codes on other networks
| Network | Code | Name |
|---|---|---|
| Mastercard | 4853 | Cardholder Dispute |
| Visa | 13.1, 13.2, 13.3, 13.6 | Consumer dispute family |
| American Express | C08, C31, C28, C02 | Consumer dispute family |
| Discover | RG, RM | Non-receipt, quality discrepancy |
How a 4853 dispute unfolds on Shopify
Shopify's help pages describe the sequence:
| Stage | What happens |
|---|---|
| Day 0 | The customer's bank raises the dispute. Shopify withdraws the disputed amount and the chargeback fee from your balance straight away. |
| Days 1 to 21 | You gather evidence. Shopify says you usually have 7 to 21 days, and the exact deadline is on the dispute page. |
| Submission | You submit your response, which can be done once. |
| Review | The bank reviews it. Shopify says this can take up to 75 days. |
| Outcome | If you win, the amount is returned, and the fee may be too, depending on your country. If you lose, the money stays with the customer. |
Shopify shows the reason in plain words rather than the code. Read the label, open the order, and then follow the section below that matches. Do not start writing until you know which claim you are answering.
Claim 1: the item was not received
The customer says the order never arrived. This is the most common 4853.
- What wins: carrier proof that the parcel was delivered to the address given at checkout, dated before the dispute, with a signature or photo where available. For digital goods, proof that the customer accessed or downloaded the product.
- What loses: a tracking number with no delivery status, a delivery to a different address, or a parcel that is lost, returned to sender or still in transit.
- What to do: fight when the carrier shows delivery to the right address. Refund when the parcel is lost or stuck. Read our 13.1 guide for the full checklist.
Claim 2: not as described or defective
The customer says the item was faulty, damaged or different from the listing.
- What wins: a dated copy of the listing, photos of the item at dispatch, delivery confirmation, a clear return policy, and proof that the customer never contacted you or ignored an offer to put it right.
- What loses: an inaccurate listing, a customer who emailed with photos and was never answered, or damage in transit.
- What to do: fight when your records show an accurate listing and a silent customer. Refund when the record is against you. See 13.3.
Claim 3: a cancelled subscription
The customer says they cancelled a recurring payment and were still charged.
- What wins: the sign-up record with the recurring terms, billing history, a renewal reminder, proof that no cancellation arrived before the charge, and proof that goods or access were delivered.
- What loses: a cancellation dated before the charge that you missed.
- What to do: fight when consent is clear and the cancellation came after. Refund at once when the customer cancelled first. See 13.2.
Claim 4: a refund never given
The customer says they were owed money and never received it.
- What wins: the refund record on the order timeline with date and amount, proof of the return, and the confirmation email.
- What loses: a refund promised and never sent.
- What to do: fight if the refund was issued, noting that card refunds take several business days to show. Refund immediately if it was not. See 13.6.
What the bank actually checks
Whatever the claim, the reviewer compares the cardholder's account with the merchant's records and asks four questions.
- What was agreed? The listing, the terms and the policy.
- What happened? Dispatch, delivery, return, cancellation or refund, with dates.
- Did the customer try to resolve it with the merchant? Mastercard expects the cardholder to have tried before disputing.
- Did the merchant respond reasonably? Offers of a refund, replacement or return label count.
A response that answers the real claim with dated records usually does well. A generic letter that does not mention the claim usually does not.
One code, four different outcomes
The same Mastercard code can mean opposite things for your decision. This table shows the speed of the call once you know the label.
| Shopify label | First thing to check | Fastest good decision |
|---|---|---|
| Product not received | Tracking status and delivery address | Delivered to the right address: fight. Lost or stuck: refund. |
| Product unacceptable | Your dated listing, and any customer email | Accurate listing, no contact: fight. Customer emailed and was ignored: refund. |
| Subscription cancelled | Cancellation date against charge date | Cancellation after charge: fight. Before: refund. |
| Credit not processed | The refund entry on the order timeline | Refund issued: fight. Not issued: refund. |
Worked example 1: a winnable case
A pet-supplies store sells a dog bed for £65.00. The customer's bank raises a 4853 dispute, and Shopify shows Product unacceptable. The customer's note: "Bed is not the size advertised."
The merchant collects:
- The product page from the day of the order, showing "90 cm x 60 cm" in the title and the specifications table.
- A photo of the bed on a tape measure from the warehouse.
- The delivery scan.
- The return policy, linked from the page, with a 30-day window.
- A note that the customer made no contact.
The response quotes the listing and shows the measurement. The reviewer sees an accurate description, a correctly sized item and no attempt to resolve it. This is a strong case.
Worked example 2: a case to refund
A different store receives a 4853 labelled Product not received for a £48.00 order. The tracking shows the parcel was returned to sender after a failed delivery attempt, with no second attempt made.
There is no delivery to prove. The customer is right. Refund and offer to re-send, then check why the carrier returned the parcel. A letter would only draw attention to the weak record.
The break-even maths
The disputed amount and the fee are already withdrawn whether you fight or not, so the only extra cost of fighting is your time.
Break-even win chance = value of your time ÷ money you would recover if you win.
| Order value | Time to respond (45 min at £20/hour) | Break-even win chance |
|---|---|---|
| £30 | £15 | 50% |
| £65 | £15 | 23% |
| £180 | £15 | 8% |
| £500 | £15 | 3% |
Small orders need strong proof before the time pays back. Larger orders justify a response even with moderate odds. Use our Should I Fight This Chargeback? calculator for your own figures.
Should you fight it or refund?
| What your records show | What to do |
|---|---|
| Delivered to the right address, dated before the dispute | Fight (not received). |
| Accurate listing, no customer contact, item dispatched in good condition | Fight (not as described). |
| Consent clear, no cancellation before the charge | Fight (subscription). |
| Refund already issued with a record | Fight (credit not processed). |
| Parcel lost, returned or stuck | Refund. |
| Customer emailed with photos and was ignored | Refund. |
| Cancellation dated before the charge | Refund. |
| Promised refund never sent | Refund. |
How to respond to a Mastercard 4853 dispute, step by step
- Read the dispute and note the deadline. Open the dispute in Shopify and check the label, the amount and the due date.
- Identify the claim. Match the label to not received, not as described, cancelled subscription or credit not processed.
- Open the order and the right records. Tracking for not received, the listing for not as described, the cancellation log for subscriptions, the timeline for refunds.
- Search every channel for the customer. Email, chat and social messages. Note any complaint and any offer you made.
- Collect the proof that answers that claim, with dates.
- Check your policy. Confirm what it said at the time of the order and where it was shown.
- Write a short, factual letter. One page, specific to the claim, using the template below.
- Attach the proof and submit once. Check every attachment opens, and remember you cannot add anything afterwards.
The evidence checklist
| Evidence | Where to find it |
|---|---|
| Order number, date, items, amount and currency | The order page |
| Tracking number, carrier, delivery status, date and time (not received) | The fulfilment section and the carrier |
| The listing as it stood at the time of the order (not as described) | Your saved copy or screenshot |
| Sign-up record, billing history, cancellation log (subscription) | Your subscription app |
| Refund record and return proof (credit not processed) | The order timeline and returns portal |
| Customer messages and any offer you made | Support inbox or chat |
| Your return, refund and shipping policy | Your store policies |
A letter you can adapt
To the issuing bank,
We ask that this dispute for order [ORDER NUMBER], [AMOUNT] placed on [DATE], is reversed. [ONE SENTENCE NAMING THE CLAIM AND WHY IT FAILS, e.g. The order was delivered to the address given at checkout on DATE.]
Facts that answer the claim. [DELIVERY: carrier, tracking number, date and time. / LISTING: the quoted lines and dispatch photos. / SUBSCRIPTION: consent record and the date of first cancellation. / REFUND: date, amount and reference.]
Contact from the customer. [We received no message before the dispute. / The customer contacted us on DATE; we offered DETAIL.]
Our policy. Our policy, shown at checkout, allows [DETAIL].
The attachments show the records above. We ask the bank to reverse the dispute.
Keep it under a page, factual and specific to the claim.
Common mistakes
- Answering the wrong claim. Check the Shopify label before you write.
- Sending a generic letter. A reviewer who sees no mention of the actual complaint assumes you did not read it.
- Missing the dates. Every claim turns on when something happened.
- Ignoring customer messages. If the customer wrote to you first, the reviewer will see it.
- Fighting when the record is against you. Refund and fix the cause.
- Adding documents after submitting. You cannot.
- Missing the deadline. No response means automatic loss.
How to reduce 4853 disputes
- Keep customers informed. Dispatch and delivery emails prevent most not-received claims.
- Describe products precisely and keep dated copies of listings.
- Make cancellation and returns easy, and confirm them by email.
- Refund promptly and say how long it takes to appear.
- Answer complaints the same day.
- Use a recognisable billing descriptor.
- Track which of the four claims you receive most. The pattern tells you where the process is leaking.
- Watch your overall dispute rate. See chargeback rate and thresholds.
Glossary
- Issuer. The bank that issued the customer's card.
- 4853. Mastercard's Cardholder Dispute code, used for several consumer claims.
- 4854. Cardholder Dispute: Not Elsewhere Classified.
- Chargeback. A reversal of a card payment started by the issuer after the customer disputes it.
- Representment. Your response with evidence, sent back to the bank.
- Dated listing. A saved copy of a product page showing what it said on a particular day.
How ChargeFix handles it
ChargeFix reads the dispute reason from Shopify, then the order, shipping and refund records that answer it. The evidence checklist and the draft letter follow the claim, so a not-received dispute is answered with delivery proof and a not-as-described dispute with the listing and policy. Missing records are flagged plainly instead of being written around, and you review everything before anything is saved or filed. Install it free.
Frequently asked questions
What does Mastercard reason code 4853 mean? It is Mastercard's Cardholder Dispute code, used for several consumer claims: not received, not as described, cancelled subscription and refund not processed.
How do I know which claim a 4853 is? Look at the label Shopify shows: Product not received, Product unacceptable, Subscription cancelled or Credit not processed.
Is 4853 the same as Visa 13.1? Only when the claim is non-receipt. The same Mastercard code covers other claims that Visa splits across 13.2, 13.3 and 13.6.
What evidence wins a 4853 dispute? Evidence that answers the specific claim, with dates: delivery proof, the listing and photos, consent and billing history, or the refund record.
What is 4854? Cardholder Dispute: Not Elsewhere Classified, used for disputes that do not fit a named condition.
Is a fraud claim a 4853? No. Fraud claims use 4837.
How long do I have to respond on Shopify? Shopify says you usually have 7 to 21 days, and the exact date is on the dispute page. Evidence can be submitted only once.
How long does the bank take to decide? Shopify says the review can take up to 75 days after you submit.
Should I always refund a 4853? No. Refund when the record is against you. Fight when the facts support you.
Can one dispute cover more than one claim? The bank records one main condition. If your customer raised several complaints, answer the one Shopify shows and mention the rest only if they help.
What if the label is unclear? Read the notes on the dispute page and ask Shopify Support. If it is still unclear, answer the most likely claim and cover delivery, listing and refund facts briefly.
Do I get the chargeback fee back if I win? It depends on your country and payment provider. Check Shopify's help page for your region.
Sources and review
- Shopify Help Centre, Overview of the chargeback and inquiry process: response window, decision time, fees and accepted evidence.
- Shopify Help Centre, Chargeback reasons: how Shopify groups dispute reasons
- Stripe, Dispute categories and reason codes: the card network code and the category it falls under
- Adyen, Dispute reason codes and defense requirements: what each code covers
- Mastercard's published reason code lists, as summarised by major payment providers. Card network rules change, so confirm current details with your payment provider.
Written by the ChargeFix team. We update this page when Shopify or the card networks change their rules.

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03Chargeback guides
04Reason codes
05Chargeback guides
06Payment methods