Design And Implementation Of Personal Income Tax Withholding System In The Third CTAIS

With the Internet technology and browser technology updates and popularity,through the use of the browser for tax returns,to the taxpayer to provide a convenient and efficient way to declare and provide online tax services,which is to improve the quality of tax services,Cost and reduce the workload of taxpayers.Taxpayers through the network can be anytime,anywhere on their own online reporting and inquiries,which is to achieve "science and technology tax" and "service tax" embodied.At present the general unit commonly used personal income tax calculation software is used in the payroll software with personal income tax calculation function,or the unit used by the financial software with personal income tax calculation function.In this type of software,the calculation of personal income tax is only a side function,generally only to meet the daily wage payment of personal income tax calculation,such as labor remuneration,royalties,annuities and other personal income tax to pay the situation,but can not provide computing functions,To the enterprise withholding payment to bring a lot of inconvenience.It is imperative to develop a personal income tax declaration and inquiry system to adapt to the new situation,so as to give full play to the advantages of tax system information construction,reduce the cost of taxation and improve the efficiency of the enterprise in order to promote the personal income tax collection and management work.In the era of information security,privacy,data security and confidentiality of the taxpayer is the focus of the collection of personal income tax system also need to pay attention to the system from hardware and software to control the server security,the firewall to protect the system,the server operating system using the Linux system,login verification using identification number of the taxpayer in system access.The system is designed and implemented according to the requirements analysis,the overall design,the module design,the database design,the system realization and the system test.The system function is divided into seven modules,including user registration,personnel registration,report forms filling,declaration forms submitted,online deduction,120 thousand declaration and query statistics,each module includes a few small function modules.In the part of system requirement analysis,the use case diagram of each functional module is given,and the performance requirement is analyzed.In the system design part,the use case analysis diagram of each function module is given,and the non-functional requirements for example performance requirements and security requirements are analyzed.In the system design part,the overall system design is given,and the system technical architecture diagram and function The design of the system design B / S development model,Using the Struts three-tier architecture,based on.Net architecture development tools Visual Studio(Figure),the design of the database,the database design,First introduce implementation part.and system implementation environment.The system has passed the many times test,the test results explain that the system has a cdefinite stability,insurance that personal income tax returns and query service needs,through the design of the system can be found in personal income tax tax returns and inquiries in the process of the existing problems,But also for other tax department staff to provide reference.At the same time,the system to achieve a high degree of staff management information sharing,for the tax staff to provide timely,accurate and comprehensive feedback,personal income tax reporting and query services to improve the work efficiency and quality of work.