Electronic Tax Declaration System with Digital Signature Verification
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Solution Overview
Problem
Current tax declaration systems lack the ability to electronically declare taxes and reuse declaration data, and there is no efficient method to prove the acceptance of declaration data by government agencies when it is reused for loan applications.
Innovation Solution
A tax declaration system that includes an input unit for financial information, a data conversion unit using XBRL, a digital signature generation unit, a declaration transmission unit, a result reception unit, and a loan application unit, which converts and verifies data formats to enable electronic tax declaration and prove acceptance by government agencies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual form filling and mailing is used for tax declaration, then the declaration can be completed, but the process is time-consuming and cannot be reused for loan applications
Solution Approach 1:
The patent replaces the manual mechanical process of filling and mailing physical forms with an electronic data transmission system. The tax declaration form is converted into electronic data that can be automatically transmitted through a network, eliminating the need for manual form filling, printing, and postal delivery. This substitution dramatically improves efficiency and reduces the time required for tax declaration.
Solution Approach 2:
The patent creates a digital copy of the tax declaration form that can be stored and reused. The electronic declaration data is saved in a database and can be automatically retrieved and reused for loan applications without requiring the original manual form-filling process to be repeated, thus saving time and improving productivity.
2Productivity
If electronic data transmission is used for tax declaration, then the process is faster, but there is no proof of acceptance by government agencies when reusing data
Solution Approach 1:
The patent introduces a certificate authority as an intermediary that issues digital certificates to verify the authenticity and acceptance of tax declaration data. When the tax declaration form is electronically submitted, the system obtains a digital certificate from the certificate authority that serves as proof of acceptance. This certificate can then be attached to loan application data to provide reliable proof of the declaration's acceptance by government agencies.
Solution Approach 2:
The patent uses digital signatures and certificates that visually indicate the status and authenticity of the declaration data. The system attaches cryptographic signatures and certification marks to the electronic declaration data, providing a visible and verifiable indication that the data has been properly submitted and accepted by the relevant authorities, similar to how physical stamps or seals provide proof on paper documents.
3Productivity
If declaration data is reused for loan applications, then the process is more efficient, but the authenticity and acceptance proof must be verified
Solution Approach 1:
The patent performs verification of the declaration data's authenticity and acceptance status in advance, before the loan application process begins. The system automatically verifies the digital certificates and signatures attached to the reused declaration data, ensuring its validity. This preliminary verification eliminates the need for complex manual verification processes later, simplifying the overall loan application process while maintaining security and reliability.
4Productivity
If various data formats are converted automatically, then data generation is more efficient, but the conversion process adds system complexity
Solution Approach 1:
The patent implements a universal data conversion system that can handle multiple data formats through a single integrated interface. The system is designed to accept financial information data in various formats and automatically convert them into the required declaration data format using a unified conversion process. This multi-functional approach improves data generation efficiency while managing system complexity through standardization and automation of the conversion procedures.
Data Source
AI summary
An electronic tax declaration system includes an input unit that receives financial information data to be declared; a data conversion unit that converts the received financial information data according to specifications of declaration data; a declaration data generation unit that adds a digital signature to the converted financial information data for generating declaration data and stores it into a storage; a declaration transmission unit that sends the declaration data to a regulator handling a tax; a declaration result reception unit that receives a declaration result of the declaration data from the regulator and stores it into the storage associated with the declaration data; and a loan application unit that creates loan application data by extracting the declaration data and the associated declaration result from the storage and adding a digital signature to them and sends the created loan application data to an external unit.