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Illustration representing a bank-owned POS device rented to a merchant

Merchant & POS

What is the Merchant Rental Fee?

When any sole proprietorship or commercial business applies to become a merchant, banks install a POS device, paying significant amounts to purchase each one, then rent the devices to merchants.

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.

Illustration of a surcharge fee added to a card payment transaction

Merchant & POS

What is a surcharge?

A surcharge is a fee, charge, or tax added to the cost of a good or service. In payment systems, it refers to adding the merchant's transaction commission to the cash sale amount on credit card transactions, resulting in a higher charge.

BKM HİYS dispute and chargeback management workflow

Chargeback

What Is HİYS (Dispute Management System)?

The Dispute Management System (HİYS) is the system used among BKM members to share chargeback transactions and the supporting documents that must accompany them, linked to Domestic Clearing and Settlement System data.

Merchant choosing between a bank POS and a virtual POS service

Merchant & POS

Is it mandatory to work with a bank to get a POS terminal?

The answer depends on the type of POS terminal. A physical POS (GPRS, Dial-Up, IP, or cash-register POS) requires working with a bank. A virtual POS can also be obtained from a payment institution without a separate bank agreement.

Diagram illustrating BKM TechPOS shared POS infrastructure

Merchant & POS

What is BKM TechPOS?

BKM TechPOS is an infrastructure through which card acquirers and POS/cash register manufacturers can interoperate via BKM, letting all participating banks provide card acceptance services on a single device.

Illustration representing Merchant Category Code classification for card transactions

Merchant & POS

What Does a Restricted/Prohibited MCC Mean?

The MCC code, or Merchant Category Code, is a 4-digit code used to classify merchants. Some MCC codes are restricted or prohibited, and POS terminals or card transactions may be blocked when such a code is used.

Merchant calling the bank from a POS terminal to report a suspicious Code 10 transaction

Merchant & POS

What is a Code 10 message?

Code 10 is when a merchant suspects the cardholder or the card is counterfeit and calls the card's bank, which then verifies the transaction with the merchant's bank. If staff suspect a card or cardholder, they should call the bank immediately.