
Merchant & POS
Is an installment Mail Order transaction possible?
A reader asked whether installment mail order transactions are still possible, and whether a card limit equal only to the installment amount is enough. This article shares the answer.
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Merchant & POS
A reader asked whether installment mail order transactions are still possible, and whether a card limit equal only to the installment amount is enough. This article shares the answer.

Merchant & POS
Visa's Merchant Data Standards Manual covers classification, identification and data standard requirements for merchants, payment facilitators and marketplaces, including merchant naming, location and MCC rules. Here is what it contains and where to find it.

Merchant & POS
The EMV Level 1 standard refers to an important global payment industry specification defining the electrical and physical interface between credit and debit cards and the payment terminal (ATM/POS). The EMV Contactless Level 1 certification guarantees that the device…

Credit Card
Many people who appear as credit card victims in the news and on social media run into trouble because they think their credit limit is unlimited and forget it must eventually be repaid. A credit card is the best payment instrument, if you know how to use it.

EMV
RID is part of the AID value, which is structured according to ISO/IEC 7816-5 and consists of two sections: a value specific to the application provider, and an optional field used to identify different providers or products.

Payment Systems
The purpose of these rules is to set out the operating rules, participation requirements, and pricing principles of the QR Code Routing System (KYS) established and operated by BKM, as well as other procedures related to KYS's operation.

Credit Card
In the standard authorization flow, the transaction is initiated by the acquirer (POS bank) and forwarded to the issuer (card-issuing institution). The process is completed once the issuer responds. However, this isn't always possible; when the issuer fails to respond, BKM steps in...

Merchant & POS
The System Trace Audit Number (STAN) is a number assigned by the third-party system (ATM or POS) to help uniquely identify a transaction. It is generated in the range 000001 to 999999. Each new authorization message needs a new STAN; retries reuse the original STAN.

Payment Systems
Below is information on the products found in the Visa and MasterCard systems and their associated product codes, listed under Product ID (cardProductId).

Laws & Regulations
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.

Credit Card
From the outside, Visa contactless looks simple, but once the limit is exceeded and PIN comes into play it gets deeper. Why do response codes 65 and 70 behave so differently on POS devices in different countries, such as the Netherlands and Saudi Arabia?

Laws & Regulations
The CBRT announced that it has launched open banking services in payments, a component of the digital economy roadmap of its liraization strategy, through BKM's Open Banking Gateway (GEÇİT).