This is a great forum with a lot of useful information and many helpful people. I have learned a lot here myself, and I would now like to share my own experience and hopefully help others identify the Acquirer behind their casino transactions.
This is what has worked for me, and I hope it can save others some time and unnecessary back-and-forth
In my experience, the most reliable way is to obtain the information directly from your bank/card issuer.
STEP 1 — ASK YOUR BANK FOR THE FULL TRANSACTION DETAILS
The first thing I recommend is contacting your card issuer and asking for the underlying card-network information for every relevant transaction.
Don't settle for the merchant name shown on your statement. Ask specifically for the following information for each transaction:
• ARN (Acquirer Reference Number)
• Acquirer ID / ICA number
• Acquirer's registered legal company name
• MID (Merchant ID)• MCC (Merchant Category Code)
• Transaction date, amount and currency
• Merchant name/descriptor exactly as processed
• Payment processor/payment facilitator, if availableIf you are in the EU/EEA, you can make the request under GDPR Article
15.
One important point: an Acquirer ID by itself is not enough. Ask the issuer to identify the registered legal entity associated with that ID. This is the information you need in order to contact the correct company.
Under GDPR Article 12(3), the normal response time is one month.
STEP 2 — CONTACT THE ACQUIRER Once you have established which company acquired the transaction, contact that company directly using its official complaints/contact channel. Provide the transaction details and explain clearly why you believe the transaction should be investigated.
Include:
• Acquirer ID
• Acquirer legal name
• Merchant ID
• Merchant descriptor
• MCC
• ARN
• Transaction date and amount• Casino/operator
• Licence status in your country
• Evidence supporting your complaint
Explain the specific issue, for example:
• Incorrect MCC for a gambling transaction
• Unlicensed gambling operator
• Misleading merchant/transaction information
• Refused withdrawals or withheld winnings
• Other relevant compliance issues
Ask the Acquirer to investigate the transactions and request a refund where appropriate.
Also ask them to confirm their role in the transaction, the merchant's legal identity, the MCC used and any other transaction information they can lawfully disclose.
STEP 3 — PROVIDE ALL EVIDENCE FROM THE START
Send the complaint form and supporting evidence together with your first complaint.
Include:
• Transaction list
• ARN and Merchant ID
• Acquirer ID• Bank/card statement
• Casino account history
• Withdrawal attempts
• Casino correspondence
• Evidence of licence status
• Any other relevant evidenceThe goal is to avoid unnecessary back-and-forth.
IMPORTANT
Chargeback is a separate route and may have much shorter deadlines depending on the card scheme and dispute reason. Therefore, contact your card issuer immediately if you want to pursue chargeback.
A direct complaint to the Acquirer is a separate process. The applicable deadline depends on the Acquirer's jurisdiction, regulatory status and type of complaint.
For example, FCA rules can allow complaints within 6 years from the event, or, if later, 3 years from when the consumer became aware that they had cause to complain.
The objective is to establish exactly who was involved in processing the payment:
CARD TRANSACTION → ARN → ACQUIRER ID → LEGAL ENTITY → MID → MERCHANT → OPERATOR
Once this chain is established, you can determine who should receive the complaint and which regulatory or consumer-protection route may be available.
My advice is therefore simple: don't try to identify the Acquirer by guessing from the merchant descriptor. Get the underlying transaction information from your card issuer first..
