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Illustration of the compliance process between merchant bank and issuer in card payments

Chargeback

What Is Compliance (Regulatory Compliance)?

Compliance means adherence to card scheme rules. Outside chargebacks, it is how a bank that loses money because card payment organization rules were broken recovers that amount from the party that caused the loss.

Barcode label used for courier card delivery

Courier & Delivery

What is a Barcode Number for Card Distribution?

Barcode numbers are used in many areas of payment systems, such as credit card statements and courier card distribution. This article focuses on the barcode used for courier delivery of cards.

Illustration of recurring payments and automatic card collection for subscription businesses

Merchant & POS

Key Points to Watch for in Recurring Payments

Winning customers is one of the most important things in business, but keeping them satisfied matters just as much. If you collect payments at regular intervals, such as monthly, these tips will help you improve the success rate of recurring collections.

Illustration representing the Mir payment card scheme

Merchant & POS

2 Turkish Banks Agreed to Accept the Mir Payment System

In Turkey, there are 3 payment schemes we are used to seeing: MasterCard, Visa, and Troy. American Express and Diners Club are also used, though less widely. Russia's Central Bank recently said two Turkish banks are preparing to accept Mir cards.

Illustration of ISO 8583 message field layout used for field F47

ISO 8583

ISO 8583 Field Descriptions (F47)

F47-ADDITIONAL DATA (NATIONAL) is the field reserved for domestic additional information. In Turkey, it carries the BKM Unique ID in authorization transactions and data specific to KKPT (card-to-card transfer) transactions.

PIN try counter on chip cards

Credit Card

What Is the PIN Try Count?

The PIN Try Count is the maximum number of failed offline PIN verifications that can be made with the card. Banks usually keep both the consecutive wrong PIN count and the maximum wrong PIN count.

Illustration of a digital receipt delivered through a banking mobile app instead of a paper receipt

Payment Systems

Digital Receipt Era Is Coming...

The BRSA has introduced a regulation to reduce paper use in POS devices. Cardholders who do not want a paper receipt for card purchases will be able to receive and store it digitally, with the rules taking effect in September and December 2023.

Comparison of online and offline token verification in payment transactions

HCE

What Are Transaction-Based (Online/Offline) Token Types?

Token types vary depending on the verification method used in a transaction. In offline transactions, general checks are performed by the mobile app and card reader without any verification in the card system. In online transactions, token verification is sent to and verified by the issuer.

Illustration of Host Card Emulation (HCE) enabling contactless mobile payments

Online & Authorization

What Is HCE?

HCE lets a mobile device's operating system emulate the cards we use daily (credit, debit, gift cards, etc.) to make contactless payments via NFC. In other words, our phones behave like the cards we use for payments.

Table of Reimbursement Attribute values used in the clearing process

Clearing

What is Reimbursement Attribute?

DE03/Reimbursement Attribute carries the Reimbursement Value of a transaction. BKM uses this information as the basis for calculating interchange fees and charges between member banks.