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Screenshot of the Official Gazette announcing Law No. 7192 on payment and securities settlement systems

Laws & Regulations

What Is Law No. 7192 and What Does It Include?

Law No. 7192 amends certain articles of Law No. 6493 on Payment and Securities Settlement Systems, Payment Services and Electronic Money Institutions. Announced on 22 November 2019, it entered into force on 01.01.2020.

Illustration representing credit information sharing among institutions in the Credit Reference System (KRS)

Credit Card

What Is KRS (Credit Reference System)?

The Credit Reference System (KRS) is an information sharing system that, using modern methods, enables detailed information about individual credit product customers to be shared among KKB member institutions, in order to determine the risk factor…

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.

Diagram showing membership types for Visa and Mastercard card schemes

Credit Card

How Many Types of Membership Are There by Card Scheme?

Banks must go through a costly, arduous process to issue cards (issuer) and accept cards (acquirer), paying high entry fees to international license providers and local organizations such as BKM.

Photo of a POS terminal related to Terminal Action Code settings

Merchant & POS

Terminal Action Code (TAC)

These are codes placed into the terminal software by the acquirer that govern the rules for whether transactions go online or are declined, covering offline approval, offline decline, and online submission due to issuer risk...

Illustration of personal data protection under the Turkish Personal Data Protection Law (KVKK)

Merchant & POS

What is the Personal Data Protection Law (KVKK)?

The Personal Data Protection Law was adopted by the Grand National Assembly of Turkey on 24/03/2016 and published in Official Gazette No. 29677 on 07/04/2016. It protects individuals' rights in the processing of personal data and sets the rules that data controllers must follow.

Table of chargeback reason codes by payment scheme

Chargeback

What Are the Chargeback Reason Codes by Payment Scheme?

A chargeback is the process of requesting that an amount paid by credit card be refunded, either because the goods or services paid for were not received, or because a transaction is identified as one the cardholder did not carry out.

Diagram illustrating card fraud and forgery in card payments

Security

What Is Forgery in Card Payments?

Forgery in card payments means transactions made with card details without the cardholder's knowledge, or purchases with counterfeit or stolen cards. Merchants cannot eliminate fraud and chargeback risk, but they should aim to reduce it to reasonable levels.

Illustration of the benefits credit cards provide to cardholders

Credit Card

What benefits do credit cards provide to cardholders?

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.