Electronic invoice issuing method
A technology for electronic invoices and invoices, applied in the direction of invoicing/invoicing, etc., can solve the problems of inconvenient circulation of paper invoices, high operating costs, resource consumption, etc., and achieve the effect of stable and safe server, simple and easy-to-understand operation, and guaranteed security.
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[0028] The electronic invoice issuing method involved in this embodiment is mainly realized in the electronic invoice issuing system device, which includes the following steps:
[0029] (1) Upload billing information:
[0030] Input the billing information to be issued into the taxpayer client 1, and generate a billing request message, in which the billing information includes the title of the bill, billing amount, phone number, name of the buyer, tax number, address, bank, account number, commodity Name, unit price, tax-included unit price, commodity quantity, tax rate, tax-included amount, payee of the billing unit, etc.; then encrypt the billing request message with an encryption algorithm and digitally sign it with a private key;
[0031] (2) Billing information preprocessing:
[0032] Billing client 1 sends the billing request message in step (1) to preprocessing server 2, and preprocessing server 2 decrypts the billing request message with the decryption algorithm corre...
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