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"Batch Close"

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Close-up of a credit card, illustrating a transaction pending in open authorization

Merchant & POS

Can an Open-Authorization Transaction Be Cancelled?

Open authorization covers the period between authorization, POS batch close, the bank's end-of-day process, and clearing. Learn which steps allow cancellation versus refund, and what a cardholder should do.

Diagram illustrating the POS batch upload reconciliation process

Merchant & POS

What is Batch Upload?

When a transaction is made through a POS, it is recorded both on the POS itself and in the acquiring bank's authorization system. At batch close, the POS sends all its transactions to the bank, which reconciles them against its own records.

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.

POS terminal software version update process diagram

Merchant & POS

How is a software version uploaded to a POS terminal?

To upload a version to a POS, the software on the POS and the authorization system on the bank side must support it. Version upload to a POS can be done manually on the device itself, or via a remote upload request.

Unattended self-service POS terminal used for card payments

Merchant & POS

What Is an Unattended POS?

Unattended POS is a type of POS that is not managed by merchant staff and is triggered by the customer in self-service services. Its use has increased further with the rise of mobile payments.

Illustration representing communication protocols used in POS payment systems

Merchant & POS

What Are POS Sub-Protocols and Their Use Cases in Turkey?

In payment systems, every exchange between POS devices and bank or payment institution systems runs on a specific messaging standard, generally based on ISO 8583. However, each country, bank, or switch network defines its own version of this standard.

Screenshot of a POS parameter loading screen

Merchant & POS

How is parameter loading done onto a POS?

Loading parameters onto a POS transfers changes made in the POS Management system (authorization, limits, card BIN list, etc.) onto the POS. There are 3 ways to do it.

Diagram showing how an open authorization moves to a card statement after batch close and clearing

Credit Card

What Is an Open Authorization?

In credit card transactions made through a POS, receiving approval alone is not enough for the transaction to post to the card's statement period; settlement must also take place. The settlement period, known as the open-authorization waiting time, varies by transaction type.