What Pre-Arbitration Means in a Chargeback Case
Pre-arbitration is the issuer's last push before arbitration. Answer it or you lose the sale by default.
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Pre-arbitration is the last step before arbitration in a card dispute. The issuer files it when it still believes the chargeback was fair, even after the merchant's side sent proof. If you do not answer, you lose the sale by default. Here is how the step works and what your side must do.
What Is Pre-Arbitration?
A chargeback is the first move. The issuer takes the sale amount back and gives the cardholder a credit. The merchant's side can reject that move by sending proof. Mastercard calls this a second presentment. Visa calls it a Dispute Response.
Pre-arbitration is what happens when the issuer reads that proof and still is not satisfied. It is the issuer's way of saying the chargeback was valid and the dispute is not fixed. It forces a final choice on the merchant's side: accept the loss or send one last rebuttal.
Some merchants call this a second chargeback. That name fits the cardholder's view, since the money leaves the merchant's account again. The network rules call it pre-arbitration.
When pre-arbitration happens in the dispute lifecycle
The dispute cycle runs in rounds. First comes the chargeback. Then the merchant's side answers with proof. Then the issuer decides.
If the issuer agrees the proof settles things, the case ends there. If it does not, it may continue the dispute through pre-arbitration and arbitration case filing. For most disputes, an issuer that wants to keep going must file a pre-arbitration case first. It cannot jump straight to arbitration.
Mastercard pre-arbitration rules and timelines
Mastercard lets an issuer file a pre-arbitration case when the chargeback was valid and the second presentment did not fix the dispute. The issuer must wait at least eight calendar days first. That gives time for any promised second presentment papers to arrive.
The acquirer usually has 45 calendar days from the chargeback to send a second presentment. After that, the window for pre-arbitration opens.
If the acquirer does nothing, it takes on the cost of the sale. The case is lost. If it accepts the case on purpose, the same thing happens. The acquirer takes on the cost of the sale.
The acquirer may reject the case with a rebuttal and any relevant documents. Mastercard accepts the case for the acquirer on its own after 30 calendar days from the submit date, so silence has a hard cost.
One trap matters here. Mastercard ignores second presentment documents received once a pre-arbitration or arbitration case has been filed. Send everything early. Send it with the second presentment itself.
Visa pre-arbitration rules and timelines
Visa runs its cycle a bit differently. The acquirer looks into each dispute, and if it is valid, takes the amount from the merchant's account. The merchant accepts or rejects the dispute. A rejection needs proof to back it up.
For fraud and authorization disputes, the acquirer answers with a pre-arbitration attempt. For processing error and consumer disputes, the acquirer may send a Dispute Response instead.
Visa's rules say the issuer must deal with the proof in the Dispute Response at the pre-arbitration stage. It cannot skip it. It cannot skip past it.
The merchant's time to respond is the time on the acquirer's request, and it may vary by acquirer. A side that does not respond in time closes the dispute cycle and is responsible for the amount. Visa does not turn these limits into a calendar date for you. Your processor's notice sets your deadline.
How to respond to a pre-arbitration case
The acquirer has two real choices.
The first is to accept. If it accepts, the acquirer takes on the cost of the sale. If the dispute cannot be fixed, accepting may save the time and cost of fighting it.
The second is to reject with a rebuttal and any relevant documents. Mastercard lets the acquirer reject the case if the merchant has an answer to the issuer's new papers. So the rebuttal should aim at what the issuer added, not repeat the first round.
Compelling Evidence in Pre-Arbitration
Visa defines Compelling Evidence as proof from a merchant or acquirer that the cardholder took part in or benefited from the sale. Visa's rules let the acquirer send Compelling Evidence with a pre-arbitration attempt.
On Mastercard, the idea is similar but the timing is strict. Mastercard decides whether supporting documents give enough detail for everyone to understand the dispute or rebuttal. But it skips papers that arrive late. If the acquirer should have sent them with the second presentment, they do not count now. Evidence that arrives late is treated as if it never arrived.
A refund shown late causes the same problem. Mastercard expects a refund to be shown in the second presentment, not in a later case filing. If a second presentment leaves out an earlier refund, Mastercard will likely charge the acquirer the case's fines and fees.
What happens after pre-arbitration
The acquirer can reject the case. If it does, the issuer can still go to arbitration. It can do this if it still thinks the chargeback was fair. Arbitration is the process where the network decides who is liable after the dispute cycle is done.
Mastercard rules on the case as filed and assigns liability based on its merits and the rules. It posts the decision in the Mastercom application and moves the disputed amount between the two sides. It holds the issuer liable if it skipped a required pre-arbitration case or filed arbitration too late.
A side can appeal. It sends Mastercard a written request and asks it to think again. The appeal must reach Mastercard within 45 calendar days of the ruling.
Visa bars a side from giving Visa anything at arbitration that it never sent to the other side. When Visa decides, it checks that each side met the time limits. It also checks that papers were sent, easy to read, and translated.
Common mistakes and how to avoid them
The first mistake is silence. If the acquirer does nothing, it takes on the cost of the sale. Answer every notice, even if the answer is to accept.
The second is saving proof for later. Documents that should have gone out with the second presentment do not count in pre-arbitration. Send your best case the first time.
The third is fighting a case you cannot win. A merchant can lose the sale amount and the goods, and also pay its own costs to respond. Weigh that against the odds before you push back.
If a new notice arrives and you are not sure what it says, start with how to read a chargeback notice. For the rounds that lead up to this one, see what happens after you answer a chargeback.