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ISO 8583
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.
Payment System Institutions
According to the CBRT's official website, the Central Bank of the Republic of Turkey has become the controlling shareholder of the Interbank Card Center (BKM), using the authority granted by Law No. 7192.
Merchant & POS
An operation that allows a credit card's limit to be blocked for a period, due to the nature of the product or service sold. Preferred mainly by companies in travel, tourism, and car rental.
Online & Authorization
Many fields are sent in the authorization message of a card transaction, one of the most important being the authorization code. On its own it is not enough; together with the STAN and transaction date, the transaction can be found directly.
Credit Card
Many people who appear as credit card victims in the news and on social media run into trouble because they think their credit limit is unlimited and forget it must eventually be repaid. A credit card is the best payment instrument, if you know how to use it.
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.
Laws & Regulations
Digitalization is changing how banks onboard customers. This post covers digital identity, verification methods, what the Turkish ID card offers, and Article 43 of the Regulation on Information Systems of Banks and Electronic Banking Services on remote identity verification and open banking.
Credit Card
If you miss the minimum payment three times in a calendar year, your card is closed to cash use; if you miss it three times in a row, it is closed to both cash use and purchases until the full debt is paid.
ISO 8583
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.
Merchant & POS
Doctor POS devices are POS terminals designed for physicians, dentists, and veterinarians who are income taxpayers, meeting the requirements set out in the General Communique of the Tax Procedure Law (VUK).
Payment Systems
You can access the regulations on the Bank Cards and Credit Cards Law on the BRSA website. The regulations are updated as new ones are introduced.
E-commerce
BKM Express has pioneered card storage and digital wallets in Turkey. After the Competition Authority's termination decision, a Board decision revoked it, so BKM Express will continue. Here is the latest situation.