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Merchant & POS
After a merchant applies to a bank and the required checks on the company are completed, a POS is connected to the customer. Settlement can be commission-based, held for a period, or both, depending on the agreement.
Payment Systems
According to BKM's TR QR Code Technical Principles and Rules Guide for card payments, QR code payment structures apply to EFTPOS, shared EFTPOS, ÖKC, ATMs, payment provider apps, static QR codes and virtual POS.
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.
Clearing
Chip Condition Code is a code carried in the F60 (Additional Data) DE14 field during clearing that shows the chip read status. The possible values and their descriptions are listed below.
Credit Card
When payment systems come to mind, credit cards are usually the first thing people think of. Credit cards are produced according to specific standards, both in visual design and during printing. These standards belong to the ISO/IEC 781X family.
Merchant & POS
When signing a merchant agreement, merchants declare their line of business, which banks record as an MCC (Merchant Category Code). A merchant may only sell products or services within the line of business declared to its bank.
Payment Systems
The domestic authorization flow for below-CVM-limit online contactless transactions has changed. Issuers can now ask the cardholder for a PIN or request card insertion instead of simply approving or declining. This post explains the CVM list and the new DE48 PDS22 and DE39 = 65 message flows.
Merchant & POS
For a POS device to process a transaction with a card issued under a payment scheme such as MasterCard or Visa, the device must complete the required certifications for that scheme. First, the acquiring bank must clarify several points before entering certification.
ISO 8583
F22 - POINT OF SERVICE ENTRY MODE: This field holds how the transaction was performed via the POS/ATM and the PIN entry capability of the POS device. The first 2 digits show how the transaction was performed, and the last digit (shown as x) carries the POS's PIN entry capability. Numeric...
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.
Merchant & POS
Partial Authorization lets an issuer approve part of a transaction instead of declining it when the balance or limit is insufficient. This post covers how it works in ISO 8583, whether it is mandatory, and why it matters for the business.
Merchant & POS
An offline transaction is one in which the card and POS terminal approve the transaction based on their own parameters, without contacting their banks. Whether contact or contactless, the device decides whether the transaction is processed offline.