Importance

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Abstract

A POS device functioning as a store complex checkout apparatus reads an information storage medium storing at least a product provision store code and a product code attached to products of the and other stores using a medium reading unit, refers to the product master file information and performs checkout when a product checkout processing unit identifies the code as the store code from information read from the information storage medium, and refers to corresponding master file information of other store and performs checkout if the product checkout processing unit identifies the code as the code of other store, causing a transaction management unit to generate and store transaction information including a store code and the product provision store code. Further, a store-to-store information send/receive processing unit performs checkout processing for transaction amount with a store checkout apparatus of other store based on the transaction information.

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First Claim