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Laws & Regulations
The articles of the Regulation on the Accessibility of Banking Services are listed below. Published in the Official Gazette on 18 June 2016 (issue 29746), banks must strictly comply with them. PART ONE Purpose...
Payment Systems
With its announcement of 30/11/2023, the Revenue Administration published a draft Tax Procedure Law General Communiqué to complete the replacement of old-generation payment recorder devices (EN OKC) with new-generation ones (YN OKC), reduce cash use and increase card payment options.
Credit Card
Credit card fraud keeps changing form, but the aim is always to trick the cardholder into giving up card details. Fraudsters posing as delivery couriers now copy cards on modified POS devices. Here is how the scam works and how to protect yourself.
Online & Authorization
A reference guide to authorization response codes seen on POS and ATM transactions, with plain-language explanations of what each code means and what to do about it.
Credit Card
Mir means World and Peace. It is a national payment system established by a law adopted by the Central Bank of Russia on 1 May 2017. It is currently accepted mostly by Russia-based companies, but acceptance is gradually spreading.
Laws & Regulations
The purpose of Law No. 6493 is to regulate the procedures and principles for payment and securities settlement systems, payment services, payment institutions and electronic money institutions.
Credit Card
Card security is critical in card payment systems. Chip&Pin curbed much fraud, but gaps remain. Cornercard, Gemalto and Visa launched Switzerland's first credit card with a built-in fingerprint reader. Here is how it works.
ISO 8583
We covered the ISO 8583 basics in an earlier article. This post explains the ISO 8583 message structure in detail: every ISO 8583 message consists of three main parts - the MTI (Message Type Indicator), the Bitmap, and the Data Elements.
Merchant & POS
Not Onus is a payment systems term meaning "Not On Us": a situation where the card-issuing bank and the POS/ATM (acquiring) bank differ. Such transactions are settled through clearing between the two banks.
Merchant & POS
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.
Payment Systems
This Guide links business models frequently encountered in the payments field to the payment services listed in Law No. 6493 on Payment and Securities Settlement Systems, Payment Services and Electronic Money Institutions, and aims at uniformity in practice.
Payment Systems
In card payment transactions made via a physical POS device, entering the card's PIN keeps the transaction secure, while in virtual POS transactions, security is provided through the 3D Secure flow. Are 3D Secure payment methods standardized? There are 3 different 3D Secure models.