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"termination tracking"

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Diagram illustrating how the Termination Tracking System (FTS) works

Payment Systems

What Is FTS (Termination Tracking System)?

FTS (Termination Tracking System) lets banks check, before signing a merchant agreement, whether the applicant company or its representative has a negative history with any bank.

BKM Central POS Database (MPV) illustration

Merchant & POS

What Is MPV (Central POS Database)?

MPV stands for Merkezi POS Veritabanı (Central POS Database), BKM's shared database of all POS terminals operated by its card-accepting members, used for support, statistics, fraud analysis and the Common POS Management System.

Diagram illustrating the structure of an ISO 8583 message field

ISO 8583

ISO 8583 Field Descriptions (F41)

F41 - CARD ACCEPTOR TERMINAL IDENTIFICATION: the terminal where a transaction took place. An 8-character alphanumeric value generated by the acquirer bank and assigned to the POS, managed as a unique terminal number at the acquirer.

Illustration of ISO 8583 message format

ISO 8583

ISO 8583 Field Descriptions (F35)

F35 TRACK-2 DATA: The values printed to the card's Track 2 data in ISO 7813 format, including field separators and start/end sentinels, but excluding LRC (Longitudinal Redundancy Check) characters. It is 37 characters long.

A POS terminal screen for changing the batch number

Merchant & POS

How to Change the POS Batch Number

The batch number is kept on the POS, incremented by 1 at each end of day, used to transfer transactions to the merchant account and for reconciliation. It's tracked on both the POS and the bank's system.

Illustration representing a POS batch number counter

Merchant & POS

What Is a Batch Number?

The batch number is kept on the POS, incremented by 1 at each end of day, used to transfer transactions to the merchant account and for reconciliation. It's tracked on both the POS and the bank's system.

Illustration of a card present transaction being processed at a POS terminal

Security

What is a CP (Card Present) Transaction?

A CP transaction refers to a card transaction in which the card and cardholder are physically present at the location. Card Present transactions occur when the card's magnetic stripe or chip data is read by a POS terminal or ATM, or via contactless.

Diagram of the ISO 8583 field F45 Track 1 data structure

ISO 8583

ISO 8583 Field Descriptions (F45)

F45 (TRACK-1 DAT) carries the Track 1 data of the card in ISO 7813 format, including field separators and start and end sentinels but excluding the LRC character. It is 76 characters long.

Diagram illustrating the EMV Tag-Length-Value (TLV) data structure used in card transactions

Online & Authorization

What are EMV Tags?

In EMV, data is stored in Tag-Length-Value (TLV) format, and it is carried between the card, the POS terminal, and the authorization system in this same format. This post lists every EMV Tag, its type, and its description.

ISO 8583 field 35 Track 2 data

ISO 8583

ISO 8583 Field Descriptions (F35)

The card's Track 2 data is carried in this field. Track 2 data contains information such as the card number, expiry date and service code.