COMMODITY SALES DATA PROCESSING APPARATUS AND METHOD FOR PREVENTING UNFAIR BEHAVIOR

摘要

A commodity sales data processing apparatus comprises an input module configured to receive the input of identification information capable of identifying transaction information, stored in a storage section, which relates to one transaction in a commodity sales data processing; an extraction module configured to extract the transaction information relating to the identification information received by the input module from the storage section; a summing module configured to sum a plurality of the transaction information extracted by the extraction module; and a print control module configured to print a summation receipt relating to the transaction information summed by the summing module and a summation origin receipt in the form incapable of the summation relating to the transaction information summed by the summing module.