Skip to content

Search

"Merchant & POS"

176 articles found

Merchant category code (MCC) and POS agreement illustration

Merchant & POS

What Should a Merchant Do When It Changes Its Line of Business?

When signing a merchant agreement, merchants declare their line of business, which banks record as an MCC (Merchant Category Code). A merchant may only sell products or services within the line of business declared to its bank.

Example of RRN printed on a POS receipt used to trace ISO 8583 transactions

ISO 8583

ISO 8583 Field Descriptions (F37)

F37 - RETRIEVAL REFERENCE NUMBER: a 12-digit alphanumeric value generated by the Acquirer that initiates the transaction. It must be printed on the POS receipt or ATM slip. RRN is the reference number that allows a transaction to be located.

Diagram of an alternative payment system routing online card payments through multiple bank virtual POS accounts

E-commerce

What Are Alternative Payment Systems?

Alternative payment systems are services from intermediary companies that use virtual POS accounts in the background to benefit merchants. Law No. 6493 calls them payment institutions. This article compares them with bank virtual POS accounts.

Customer making a contactless payment by tapping a card on a POS terminal

Contactless

What Is a Contactless Transaction?

A contactless transaction is a fast and secure payment made between a credit card and a POS terminal without direct contact, without reading the card's chip or magnetic stripe. Both the card and POS terminal must support contactless transactions.

Diagram illustrating the soft chargeback retrieval request process between cardholder, issuer and merchant

Chargeback

What Is a Soft Chargeback?

A soft chargeback, also called a retrieval request, is a request for documents about a transaction the cardholder does not recognize. Learn why customers request them, what information merchants should provide, and why a fast response matters.

Payment POS terminal reading a bank card at a merchant counter

Payment Systems

Beware of Inefficient POS Terminals and Lines!

Why do institutions track inefficient POS terminals and lines? This post looks at the costs they create, such as device purchases, field service and software fees, and how to deal with merchants that generate little turnover.

Card refund receipt standards illustration

Merchant & POS

What Are the Standards for Refund Receipts?

Cardholders may request a refund through the merchant for POS transactions due to wrong deliveries, returned goods and similar reasons. Here is the information a refund receipt must contain, including extra fields for e-commerce.

Diagram illustrating TCR (Transaction Record Component) packets used in payment clearing and settlement files

Payment Systems

What Is TCR (Transaction Record Component)?

TCR stands for Transaction Record Component, the packets that carry transaction information in a clearing system. Transaction types in a clearing file are distinguished by transaction code and usage code values, and this data is sent inside TCR packets.

Illustration representing MCC codes used to classify merchants by category

Merchant & POS

What Is an MCC Code Used For?

Since the MCC code is a merchant's category code, it's critical for the checks performed during merchant onboarding and authorization, including campaigns and restrictions.