PAYMENT PROCESSING DEVICE USING BIOMETRIC AUTHENTICATION, PAYMENT PROCESSING METHOD USING BIOMETRIC AUTHENTICATION, SETTLEMENT SYSTEM USING BIOMETRIC AUTHENTICATION, AND SETTLEMENT PROGRAM USING BIOMETRIC AUTHENTICATION

摘要

[Problem] The present invention reduces inconvenience that may occur due to a settlement being made at each store for each purchase.;[Solution] The present invention provides a processing device 10 including a billing information registration unit 12 that acquires purchase information including customer information about a customer who takes a purchase action and billed amount information for the purchase action, and stores, in a storage unit 13, the customer information and the billed amount information in association with each other, and a fixing unit 14 that acquires a settlement request including the customer information, then fixes a billing content, based on the billed amount information being stored in association with the customer information included in the acquired settlement request, and outputs billing content information indicating the fixed billing content.