1 Introduction According to the Ministry of Commerce, Ministry of Public Security, SAIC, State Administration of Taxation promulgated the new "used car circulation management approach" and the State Administration of Taxation "on the harmonization of used car sales invoices style issues." [2005] No. 693 requires that from 2005 From October 1st, the national second-hand car circulation industry will implement new management measures. In order to fully implement the "Measures for the Management of Used Vehicle Circulation", standardize trading behavior, strengthen invoice management, protect national taxation, improve the operation and service level of used car industry, and design the old motor vehicle (used car) transaction management system.
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2 platform features
2.1 System function The function of the system is to provide convenient and fast for the trade management office, the old motor vehicle market management office, the public security/business/tax, the old motor vehicle trading market, the evaluation company, the operating company and other application units. Standard and secure online business window. The system structure is shown in Figure 1.
Its website is the official website of the second-hand car industry management based on the Web; the second-hand car appraisal and evaluation pricing system adopts the scientific evaluation method combining the “replacement cost method + the current market price methodâ€; the machine invoice transaction management system is the realization of transactions by various market entities. The terminal management software of the invoice; the special invoice management and auditing system meets the online management requirements for the unified transaction invoices of used cars of the national tax departments of the provinces; the online transaction management system enables the competent departments to comprehensively grasp the industry and development trends in a timely manner, and has summary and print Function; CA digital certificate security system ensures the security of transaction data, identification data, evaluation data and invoice data; the market integrated management system realizes the maintenance and management of the entire system information.
2.2 System technical solutions (1) System data processing model system using "data centralization + real-time / non-real-time parallel combined" mode: the establishment of a central database system used car business information center in the province, the province's centralized storage for all Used car transaction data; at the same time establish multi-layer data protection, backup organization to ensure the security of system data. The relevant used car transaction data of each transaction subject can be stored in a database that is automatically created and maintained locally, but it is required to perform data upload and update in time to ensure the real-time performance of the central database data. Business, taxation, and public security departments directly access the central database through the Web system to process related information.
(2) System technology system The main body of the market transaction “machine-invoice transaction management system†adopts C/S application structure and DELPHI development tools; the web-based audit management information system adopts B/S system, ASP/. NET development tools; central database management system, select My SQL Server database system. Figure 2 shows the logical structure of the system.
3 system application analysis Since its opening, the system has remained stable, safe operation, the system had never happened downtime, data loss, ensure that the used car trade, properly manage their business.
(1) The competent commercial department shall establish a complete system for the registration of used car trading, distribution companies and auction companies. Relevant enterprises registered by Dingshang administrative department according to law will become legal members of the system after filing, and can be sold through the invoice management system; establish an accurate and timely second-hand car circulation information reporting mechanism. Machine-printed invoices issued by the sub record information for each invoice, the system automatically upload center platform, the platform summary form various reports, and print and output; a scientific analysis of statistical indicator system.
(2) The tax department establishes a detailed invoice distribution account. The detailed information of each purchase invoice will be recorded in the system. Only the ticket number registered in the account can print out the invoice; establish a timely and accurate invoice use supervision system. Invoice usage management detailed summary records the usage of each invoice received by all filing companies (total number of totals used, total used, total unused, total number of totals, total remaining) and the status of use of each invoice (used, unused, Obsolete), in order to prepare for taxation and timely supervision; establish an electronic invoice database, which can compare and verify paper fake invoices and guest tickets to reduce the loss of national tax revenue.
(3) The main body of each trading market establishes a perfect computer management system, and each market can use the computer network to quickly carry out trading business, and the transaction efficiency is greatly improved. The matching function and information publishing function provided in the system provide new profit sources and growth points for each trading market. At the same time, the system effectively monitors illegal invoices and bans illegal trading markets to ensure the orderly development of the formal trading market.
(4) The second-hand vehicle appraisal and evaluation system adopts the evaluation method of “replacement cost method + current market price methodâ€; in addition, with reference to the domestic trade department and other national regulations, the evaluation method is more reasonable and scientific, and the current domestic second-hand car appraisal evaluation theory and It has important reference value in practical applications. Figure 3 is a block diagram of the functional structure of the used vehicle identification and evaluation management system. Figure 4 shows the market integrated management system.
4 Conclusion Through the analysis of this case, are summarized as follows: The system integrates tax, business, police and other agencies work effectively to achieve the industry of standardized management. It provides an important reference for the informationization construction of China's industry e-government. Successfully adopted CTCA digital certificate application technology to make CA digital certificate and large-scale application system perfectly combined. The evaluation method of “replacement cost method + current market price method†adopted by second-hand vehicle appraisal and evaluation is scientific, advanced and real, and promotes the development of domestic second-hand car appraisal and evaluation. The data processing mode of “large data concentration + real-time/non-real-time parallel combination†has strong advanced and practical effects, and provides new ideas for information construction of similar businesses.
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