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Laws & Regulations
Turkey is rapidly implementing the items in the 11th Development Plan for a fintech ecosystem with equal opportunity. Under the approved law amendment, some BRSA powers over payment services and e-money companies were transferred to the CBRT, making it the single authority in payments.
3D Secure
Isbank (Turkiye Is Bankasi) has completed Europe's first migration to EMV 3D Secure 2.0, the current version of the 3D Secure authentication infrastructure used to verify cardholders in online card purchases. Deputy General Manager...
Merchant & POS
Address Verification Service (AVS) is a fraud prevention system that helps limit fraud and chargebacks when used effectively. It verifies that the address a customer enters matches the cardholder's address on file with the issuer.
Payment Institutions & E-Money
A payment institution is a legal entity authorized under the Law to provide and execute payment services. It must be a joint stock company meeting the conditions in Article 14 of Law No. 6493. This post sets out the services listed in Article 12 and the exclusions.
Laws & Regulations
The articles of the Regulation on the Accessibility of Banking Services are listed below. Published in the Official Gazette on 18 June 2016 (issue 29746), banks must strictly comply with them. PART ONE Purpose...
EMV
The Application Block command is sent to invalidate the selected application on a card after the card has been issued. Unlike Card Block, it can be reversed.
Merchant & POS
AUC (Application Usage Control) specifies restrictions that limit an application by geography or by specific transaction types. It is a 2-byte data element in Tag 9F07. If present, the terminal performs checks such as whether the transaction is at an ATM.
Credit Card
CVV and CVV2 values are often confused by cardholders. CVV is printed on the magnetic stripe and used for card verification when the card is physically swiped through a POS; CVV2 is printed on the back of the card for e-commerce authorization.
Credit Card
Card-to-Card Money Transfer (CCMT) lets customers send money 24/7 from a credit, debit, or prepaid card to another card via ATM, internet banking, call center, or mobile app.
Merchant & POS
3D Secure is short for Three Domain Secure (Issuer Domain, the Interoperability Domain and the Acquirer Domain), used to increase security in online transactions. Known to cardholders as 3D Secure, these systems are given unique names by payment schemes (MasterCard, Visa, etc.).
Online & Authorization
When a card transaction is made abroad, banks usually calculate the cost from a percentage commission, a fixed commission, and an exchange rate margin. The flow starts when the customer requests a cash withdrawal at a foreign ATM.
Chargeback
A chargeback is when a cardholder asks the issuing bank to refund a transaction made without their knowledge. It cannot be prevented entirely, but simple precautions can minimize the risk. Here is how the process works and what cardholders should do.