Payment card, billing system and billing method

Abstract

The invention provides a payment card, an invoice issuing system and an invoicing method. The payment card includes a card body, an encryption chip is arranged in the card body, payment information is stored on the encryption chip, and the encryption chip is electrically connected to a communication module, wherein the card body A value-added tax information storage module is also provided. The value-added tax information storage module stores the value-added tax invoice billing information of the payment card holder. The billing information includes the name of the payment card holder, the taxpayer identification number, and the address of the payment card holder. , phone number, bank and account information. The billing system is used to issue a value-added tax invoice for the payment of the above-mentioned payment card, and the billing method is a method of using the billing system to issue an invoice. The invention can improve the efficiency of issuing value-added tax invoices and reduce the error rate of issuing invoices.

Description

technical field [0001] The invention relates to the field of smart cards, in particular to a payment card with payment function, a billing system using the payment card, and a billing method realized by using the billing system. Background technique [0002] Now people often use various payment cards for payment during the shopping process, such as using a debit card issued by a bank, a credit card, etc. for payment. Most of the existing payment cards are provided with an encryption chip in the card body, and the encryption chip stores information such as payment card holder information, account information and balance. [0003] After shopping, people usually need to issue an invoice, such as a special invoice for value-added tax. When issuing a special value-added tax invoice, it is necessary to fill in such information as the payer's company name, taxpayer identification number, address, telephone number, bank and account information, etc. However, the filling of these in...

AI Technical Summary

Problems solved by technology

When issuing a special value-added tax invoice, it is necessary to fill in such information as the payer's company name, taxpayer identification number, address, telephone number, bank and account information, etc. However, the filling of these information often requires the merchant to manually enter in the tax system, manually Typing is inefficient and error-prone

On the other hand, in the process of purchasing goods on the spot such as supermarkets, sometimes the purchasers may not remember the billing information clearly, which also brings some troubles to the issuance of value-added tax invoices.

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