Payment Systems
What Are the Discover Chargeback Reason Codes?
Chargeback reason codes differ by card scheme. Here is the list of Discover chargeback reason codes and their descriptions, along with how merchants can use them.
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"Disputes"
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Agentic Commerce
Agentic Commerce Series – Part 4
Are We Ready to Give an AI Agent the Authority to Make Payments? Having long looked at complaint and dispute processes in payment systems, I think granting an agent payment authority is far different from research or product selection.
Payment System Institutions
What are the committees in the BKM system?
BKM (Interbank Card Center) works through several committees: Security, Operations and Technology, Market Development, Business Development, Chargeback Rules and Arbitration, ATM Sharing, plus arbitration committees. This post outlines each one's duties.
Clearing
What Is the Documentation Indicator?
The Documentation Indicator is a code carried in the F60 (Additional Data) DE05 field of clearing transactions. Used in second presentment and reversal presentment transactions, it shows whether the supporting document has been sent. This post lists the values and their meanings.
Merchant & POS
What is the risk of mail order transactions for merchants?
Mail order transactions are preferred by cardholders because they only block the card limit by the installment amount, creating a sales opportunity for merchants. But is the remaining balance guaranteed?
Laws & Regulations
What Are the Visa Core Rules and Visa Product and Service Rules Documents? How Can I Access Them?
The Visa Core Rules and Visa Product and Service Rules documents define the fundamental rules that apply to all institutions in the Visa network. They are updated regularly, and all members are expected to follow the latest version.
Chargeback
What is TRIP (Turkey's Communication Platform)?
TRIP (Turkey's Communication Platform) is a central platform developed by BKM to fight fraud, bringing together Case Filing, Issuer and Acquirer Chargeback operations (Pre-Arbitration, Pre-Compliance, Arbitration, Compliance), and ATM deposit/payment dispute operations.
Security
What Is Forgery in Card Payments?
Forgery in card payments means transactions made with card details without the cardholder's knowledge, or purchases with counterfeit or stolen cards. Merchants cannot eliminate fraud and chargeback risk, but they should aim to reduce it to reasonable levels.
Fraud
What is Visa Merchant Purchase Inquiry (VMPI)?
Chargeback is the process of refunding a credit card payment when the goods or services that should have been received were not, or when transactions not made by the cardholder are identified. In Turkish it is translated as reversal of presentment.
Merchant & POS
What is a 3D Secure transaction?
In e-commerce transactions, the system developed to increase transaction security for payments made with credit and debit cards is called 3D Secure. When paying with 3D Secure, a special payment screen provided by the banks appears on the user's screen.
Credit Card
Is Your Card Making Purchases Without Your Knowledge?
While reviewing your credit card statement, you suddenly notice a transaction you never made. What would you think? Is your card going shopping while you sleep? Let's look at how this can happen and what to do about it.
Chargeback
What is No Show?
A no-show fee is the one-night/one-day charge collected by merchants for hotel reservations and car rental bookings that were made but not used, and not canceled when they should have been. It means an unused and uncanceled reservation.