A method for processing invoice tax control data

Abstract

The invention discloses an invoice tax control data processing method. The method is applied in an invoice management device comprising a master chip, a security chip and a memory chip. The invoice tax control data include invoice detail data, invoice management table data, invoice template data and invoice purchase segment data. The processing method includes allowing the security chip to perform security certification on the master chip, receiving clock printer data from the master chip after certification, and calculating and acquiring tax control codes through the clock printer data; generating invoicing detail data according to invoice information and the tax-control codes during each invoicing; establishing an invoice daily summary document and invoice daily detail document which adopt the date as document names when invoicing is performed for the first time in each day, and storing in the memory chip; recording all invoice detail data in the invoice daily detail document, and adding recording location information in the invoice daily summary document for the day after the invoice detail data are recorded; loading the invoice management table data, the invoice template data and the invoice purchase segment data, and storing in the master chip.

Description

technical field [0001] The invention relates to the field of information security, in particular to a method for processing invoice tax control data. Background technique [0002] The new round of tax system reform from the beginning of this century has achieved good results, and the tax revenue has continued to increase significantly, which has promoted the development of my country's national economy. However, there are still some problems to be solved in the tax work: various forms of tax evasion, tax fraud, tax evasion, tax arrears, and tax reduction and exemption are still relatively serious; there are loopholes in the internal management of the tax department, and the tax management methods are still relatively backward. The security and reliability of invoice tax control data needs to be strengthened. Contents of the invention [0003] The technical problem to be solved by the invention is how to safely and reliably generate and store invoice tax control data. [...

AI Technical Summary

Problems solved by technology

However, there are still some problems to be solved in the tax work: various forms of tax evasion, tax fraud, tax evasion, tax arrears, and tax reduction and exemption are still relatively serious; there are loopholes in the internal management of the tax department, and the tax management methods are still relatively backward. The security and reliability of invoice tax control data needs to be strengthened

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