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Diagram illustrating that credit cards and debit cards require separate BIN ranges

Credit Card

Can a Single BIN Issue Both Credit and Debit Cards?

A single BIN cannot be used to issue both a credit card and a debit card. If a bank offers both products, it has at least two different BINs, allocated and announced separately by card type.

New BIN card product launch process

Credit Card

What Happens When a Product Is Launched Under a New BIN?

When banks launch a new card product, they can do it under an existing BIN or a new one. A new BIN requires much more work: BKM announces it, every bank defines it and every POS has to download it.

Close-up of a payment card showing its first six digits, the BIN

Credit Card

What Is a BIN (Bank Identification Number)?

BIN stands for Bank Identification Number, the unique code made up of a card's first 6 digits that identifies which bank issued it, under the ISO/IEC 7812 standard.

Illustration representing payment card BIN numbers and card schemes

Credit Card

Which BINs Do Payment Schemes Work With?

Banks increase the variety of their products and services to serve customers better. When introducing new products, they usually issue them under a new BIN. So are there valid rules for obtaining a new BIN (Bank Identification Number)?

Diagram explaining the ATM reject bin where unaccepted banknotes are deposited

ATM

What Is Reject (the Reject Bin)?

It's a term used in ATM systems within payment systems. In ATM transactions, cash in question is placed into a separate compartment for review, called the reject bin. Retract is the customer's holding bin; reject is the ATM's reject bin.

Diagram illustrating how a POS device identifies foreign bank cards using BIN lists

Merchant & POS

How Does a POS Device Detect Foreign Cards?

A POS is a functional device with its own dedicated software, customized according to the authorization system of the bank it is connected to, that accepts credit or debit cards. So, banks abroad launch dozens of new card products every day…

Diagram illustrating TCR (Transaction Record Component) packets used in payment clearing and settlement files

Payment Systems

What Is TCR (Transaction Record Component)?

TCR stands for Transaction Record Component, the packets that carry transaction information in a clearing system. Transaction types in a clearing file are distinguished by transaction code and usage code values, and this data is sent inside TCR packets.

Istanbulkart transit and payment card

Credit Card

Istanbulkart: Both Transit Card and Payment Card

When I think back to the Akbil I used when I first arrived in Istanbul, I think it's fair to say that Istanbulkart has undergone a very significant transformation. Users can now track activity, top up and view balances right from their phones.

Example of a POS receipt showing a warning for a foreign card transaction

Merchant & POS

Is Identification of Foreign Customers on POS Receipts Mandatory?

Yes, it is mandatory. This requirement was introduced to prevent fraud. To fulfill their obligations regarding identification of foreign customers, banks must make one of several arrangements on receipts, such as bilingual descriptions or an explicit foreign card warning.