Merchant & POS
What is the Merchant Rental Fee?
When any sole proprietorship or commercial business applies to become a merchant, banks install a POS device, paying significant amounts to purchase each one, then rent the devices to merchants.
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"POS Terminal"
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ISO 8583
ISO 8583 Field Descriptions (F12)
DE 12-TIME, LOCAL TRANSACTION: the local time at which the transaction took place at the point of transaction (ATM, POS). 6 digits, hhmmss format. F12 differs from F7 (Transmission Date and Time).
Security
What Is a Secure Card Reader for PIN (SCRP)?
A Secure Card Reader for PIN (SCRP) is a multi-function card reader that turns any iOS, Android or Windows device into a payment terminal able to accept chip and contactless payments with PIN.
Merchant & POS
In Which Sectors Can Offline Transactions Not Be Performed?
An offline transaction is one approved by the card and the POS themselves, without going to any system (the card's bank or the POS's bank), when a chip card transaction is made at a POS. For this reason, some sectors considered risky are restricted.
Online & Authorization
What is TLV (Tag-Length-Value)?
TLV is a data storage method used to speed up the parsing of data. For example, reading data from a card's chip at a POS and carrying it through authorization uses the TLV structure.
Payment Institutions & E-Money
Amendments Made to the Communiqué on Information Systems of Payment and Electronic Money Institutions and Data Sharing Services of Payment Service Providers
On 7 October 2023, the CBRT amended the Communiqué on Information Systems of Payment and E-Money Institutions and Data Sharing Services of Payment Service Providers, first published on 1 December 2021. Links to the new text, a comparison table and a detailed summary of changes follow.
Credit Card
Do I Need to Generate a Certificate When Issuing Cards Under a New BIN?
Yes. A certificate must be generated for every new BIN and loaded onto the card chip, establishing secure communication between the chip and the terminal. This is especially critical for verification in offline transactions.
Online & Authorization
Error Codes Used in Authorization Transactions and Their Explanations
A reference guide to authorization response codes seen on POS and ATM transactions, with plain-language explanations of what each code means and what to do about it.
Merchant & POS
What is PIN Transaction Security (PTS)?
PIN Transaction Security (PTS) verifies that card data and PIN information are used for a payment transaction. It is a set of modular evaluation requirements managed by the PCI Security Standards Council for PIN-accepting terminals.
ISO 8583
ISO 8583 Field Descriptions (F42)
F42 - CARD ACCEPTOR IDENTIFICATION CODE: the merchant number of the terminal where a transaction took place. It is a 15-character alphanumeric value. Transactions are settled to the merchant's account based on the merchant number in this field.