FAST
FAST Limit Raised to 50,000 TL
The upper limit for FAST transactions, which enable fast money transfers between banks, was raised to 50,000 TL per transaction as of 21 December 2023.
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FAST
FAST Transaction Limit Raised to TRY 300,000: A New Era in the Payments Ecosystem
The Central Bank of the Republic of Turkey (CBRT) has implemented a significant limit increase in the FAST system. Under the regulation effective August 26, 2026, the FAST money transfer limit was raised from TRY 100,000 to TRY 300,000. The same increase also applies to Request to Pay...
Chargeback
What is No Show?
A no-show fee is the one-night/one-day charge collected by merchants for hotel reservations and car rental bookings that were made but not used, and not canceled when they should have been. It means an unused and uncanceled reservation.
Fraud
What is Fraud? What are the Types of Fraud?
With the growth of credit and debit card usage and rising e-commerce transaction volumes, there has been a serious increase in exploiting user negligence to harm customers. Fraud means using someone else's card at a merchant or ATM to gain unjust profit.
ISO 8583
ISO 8583 Field Descriptions (F37)
F37-RETRIEVAL REFERENCE NUMBER is a code generated by the bank that initiates a transaction, used to uniquely track it. It is a 12-character alphanumeric value.
ISO 8583
ISO 8583 Field Descriptions (F37)
F37 - RETRIEVAL REFERENCE NUMBER: a 12-digit alphanumeric value generated by the Acquirer that initiates the transaction. It must be printed on the POS receipt or ATM slip. RRN is the reference number that allows a transaction to be located.
Credit Card
Deutsche Bank produces a card with a CVV that changes every 4 hours
Germany-based Deutsche Bank is launching a new credit card in Spain with a dynamic CVV code that changes every four hours, to make online shopping more secure. Deutsche Bank partnered with Mastercard and Idemia for the new card, launched under the Tarjeta Calma brand.
Merchant & POS
How does the cancellation (void) process work on a POS?
Many transactions are carried out with cards on a POS terminal. Sometimes a transaction must be reversed, and cancellation (void) is one such transaction. A Sale can only be cancelled on the POS before the batch (end of day) is closed; otherwise a refund is needed.
Security
What is the First Credential-On-File transaction?
The first transaction made after a customer's card data is stored with a merchant is called the First Credential-On-File transaction. BKM expects it to be flagged with the value "C" in switch message field DE48.PDS86, and BRSA draft rules govern how card data may be stored.
Credit Card
What happens if I enter CVV2 incorrectly in my online transactions?
With the advancement of technology, the use of credit cards in online transactions and the variety of payment methods have increased. To make an online transaction with a credit card, you need: Card Number, Expiration Date, and CVV2 (the 3-digit number on the back of the card).
ISO 8583
ISO 8583 Field Descriptions (F11)
DE 11 - SYSTEMS TRACE AUDIT NUMBER: A 6-digit unique numeric value generated by the message originator, enabling unique tracking of the transaction. How is STAN generated?
FAST
FAST Request to Pay Overlay Service now available to corporate users
Request to Pay lets users request payment from people who owe them money through a banking application. The CBRT has expanded the FAST Request to Pay Overlay Service so that corporate users can also use it.