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Law on the Protection of Competition in Türkiye

Laws & Regulations

What Is the Law on the Protection of Competition?

The purpose of this Law is to protect competition by preventing agreements, decisions and practices that restrict competition in goods and services markets, and the abuse of dominance by dominant undertakings.

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 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.

OTP SMS service icon illustrating one-time password delivery

Security

What Is OTP? What Is Its Role in End-to-End Security?

With Chip&Pin technology, card PINs and chip-based transactions became widespread. As online shopping grew, strengthening the security of these transactions became a necessity, and OTP began providing that transaction security.

Announcement graphic for the FAST instant payment system transaction limit increase to 1,000 TL

FAST

FAST Transaction Limit Raised to 1,000 TL

Current information: This post describes the limit in effect at the time of publication. The FAST transaction limit, introduced in January, was raised periodically and reached 1,000 TL as of January 29. See the newer post for the current FAST limit.

Mastercard SAFE fraud reporting illustration

Credit Card

What Is SAFE (System to Avoid Fraud Effectively)?

SAFE, short for System to Avoid Fraud Effectively, refers to fraud records created by issuing banks. Fraud records sent in the Mastercard clearing format fall under the SAFE category.

Diagram illustrating a bank's OnUs transaction flow and the process of opening ATMs to other banks' cards

ATM

What needs to be done to open ATMs to the use of all bank cards?

Suppose you are a newly established bank, wanting to offer customers all your products and services. Of course, this is not easy. First, the Bank's OnUs transaction processing step must run successfully before other banks' cards can be accepted at the ATMs.

Diagram of a partial authorization where an issuer approves only part of the requested amount

Merchant & POS

What Are the Partial Authorization Requirements for an Acquirer Bank?

Partial authorization lets an issuer approve part of the requested amount when the card lacks the full balance, with the rest paid another way. This post covers the technical, receipt, clearing, reconciliation, merchant and certification requirements for acquirers.