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Merchant & POS
CAT (Cardholder Activated Terminal) devices are typically unattended terminals that accept various payment cards. These terminals are frequently installed at railway ticket stations, gas stations, toll roads, parking lots, and other commercial locations.
EMV
The AID tells the terminal which applications are present on a chip during a POS or ATM transaction. What does the AID do? It lets the terminal determine whether it supports an application on the chip. In Tag 9F06, it is 5-16 digits long.
Security
Fraud means obtaining unjust gain by carrying out a transaction at a merchant or ATM using someone else's credit card or debit card, causing a loss to the real cardholder, the merchant, or the bank. So what fraud codes do Visa and Mastercard use?
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.
Payment Systems
There are standards that keep payment systems running smoothly and reliably. One of these is ISO 20022. So what is ISO 20022, and why was it created? It is an international, XML-based financial messaging standard developed in 2009.
Payment Systems
Before describing the Onus Installment process, it is better to first answer: what is an Onus transaction? An Onus transaction is when the acquirer and issuer are the same institution, so the transaction is processed through that institution.
Merchant & POS
Since the MCC code is a merchant's category code, it's critical for the checks performed during merchant onboarding and authorization, including campaigns and restrictions.
Security
A CP transaction refers to a card transaction in which the card and cardholder are physically present at the location. Card Present transactions occur when the card's magnetic stripe or chip data is read by a POS terminal or ATM, or via contactless.
Payment Systems
TCR stands for Transaction Record Component, the packets that carry transaction information in a clearing system. Transaction types in a clearing file are distinguished by transaction code and usage code values, and this data is sent inside TCR packets.
EMV
The GET DATA command is used to retrieve a primitive data object that is not encapsulated in a record within the current application. It is used to retrieve certain primitive data objects interpreted by the application on the ICC.
Merchant & POS
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?
Credit Card
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.