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"Z Report"

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Z Report printout from a cash register

Merchant & POS

What is a Z Report?

A Z Report is a report taken at the end of the business day, bearing a sequential number, that gives detailed information about sales made using a cash register during a business day, the revenue earned, and the VAT collected.

POS terminal used for card payment transactions

Merchant & POS

What is On-Us Leakage?

On-Us Leakage is a term used in the world of payment systems. On-us means the card-issuing bank and the POS-acquiring bank are the same. So what does on-us leakage mean in this context?

Diagram showing the structure of an ISO 8583 message

ISO 8583

What Fields Make Up 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.