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"transaction processing"

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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.

POS terminal screen showing the cancellation transaction menu

Merchant & POS

How does the cancellation (void) process work on a POS?

Many transactions are carried out with cards on a POS terminal. Sometimes a transaction must be reversed, and cancellation (void) is one such transaction. A Sale can only be cancelled on the POS before the batch (end of day) is closed; otherwise a refund is needed.

Illustration of a smartphone used as a mobile POS payment terminal

Merchant & POS

Are POS Terminals Becoming Obsolete?

Today, as credit cards shift from physical to virtual use, a similar move has come from the POS side. We have begun to see mobile phones used as POS devices becoming a serious rival to physical POS terminals.

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 illustrating the types of chargeback disputes in card payments

Chargeback

What are the chargeback dispute types?

A chargeback is a dispute raised against a card transaction when the cardholder did not make it or does not recall it. The dispute types vary depending on the situation; let's look at them.

Diagram explaining the Visa Purchase Return Authorization process for card refunds

Credit Card

What Is Purchase Return Authorization?

A structure developed by Visa for purchase refund transactions. The purchase return authorization message lets cardholders view their refund transactions in real time, improving the customer refund experience.

Shared POS device used for processing multiple banks' card transactions

Credit Card

What is a Shared POS?

A Shared POS is a POS solution that allows the credit card applications of multiple banks, such as installments and loyalty points, to run on a single POS device. It automatically recognizes the cards of banks loaded on it and routes the transaction accordingly.

Diagram of ISO 8583 Field 3 Processing Code structure

ISO 8583

ISO 8583 Field Descriptions (F3)

Field 3, Processing Code, is the field that shows what type of transaction is being performed and is critical for authorization. A Sale from POS differs from a Cash Withdrawal at an ATM.

Diagram comparing the 3D, 3D Pay, and 3D Pay Hosting payment models

Payment Systems

What are the 3D Secure Payment Models?

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.