Paperless electronic invoice system

Abstract

The invention discloses a paperless electronic invoice system, which comprises a mobile phone, a point-of-sale (POS) and a data processing host, wherein the POS is provided with a bar code reading module and an electronic invoice functional module; the mobile phone can download an identification bar code through the data processing host and displays the bar code on a screen; and when a consumer performs consumption in a shop, the consumer can show the identification bar code on the screen of the mobile phone, the bar code reading module of the POS reads the identification bar code and performs check-out operation, the electronic invoice functional module generates an electronic invoice and upload the electronic invoice to the data processing host after check-out, and the data processing host can identify the mobile phone identity, manage the electronic invoice information and perform electronic invoice prize claiming operation by the identification bar code to fulfill the aim of a paperless electronic invoice.

Description

technical field [0001] The invention relates to a paperless electronic invoice system, in particular to a system for issuing electronic invoices by using consumers' mobile phones to identify barcodes. Background technique [0002] The uniform invoice system is a tax collection tool, which stipulates that enterprises must use the uniform invoice approved by the government unit as a sales or purchase voucher, and at the same time, the tax collection agency also uses it as a basis for checking taxes. Convenience store chains or hypermarkets) generally issue invoices by printing unified paper invoices at cash registers, and the operator needs to hand over one copy to consumers for retention, and one copy to the government unit as a basis for tax verification. [0003] Taiwan holds an invoice redemption event every two months. When the invoice number held by consumers matches the official redemption number, they can go to relevant units (such as post offices) to redeem the prize....

AI Technical Summary

Problems solved by technology

[0006] 1. Existing invoices are paper products, and the raw materials of paper products are trees. Consuming too much paper products will cut down many trees and cause harm to the global environment

[0007] 2. During the redemption activities, consumers must compare the invoice numbers and the published redemption numbers one by one, which is time-consuming and energy-consuming, and paper-style invoices are easy to be inconvenient to organize and store and are easy to lose

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