Shanghai Customs Clearance Electronic Payment Systems Analysis And Design

"Shanghai Customs Electronic Payment System" is designed for import and export enterprise users, to improve the efficiency of customs clearance, by using internet payment instead of traditional manual payment. Payment system not only provides enterprises a more convenient payment services, but also reduces the cost of time, human resource and finance. Meanwhile it provides customs a more convenient way to collect and supervise the tax fee and the payment, thus it is a revolution to the traditional payment mode of paper based and manual payment.This payment system is connected to the computer system of customs and banks, and it provides a safe and quick way to pay the customs fee and tax, and it achieved the goal of customs tax and fee electronic payment. It also reduces the capital in transit, and enhances the strength of customs supervision. The system provides the end users different ways of payment, e.g., internet payment and on counter electronic payment, meanwhile system will do daily reconciliation with customs and banks' computer system. By these ways, this payment system is secure, convenient and with high efficiency, it has significantly reduced the loss due to the factor of long time and separated space, and result in a remarkable economy and social benefit.This payment system cooperates with 3rd party CA, and all the transactions between payment platform, banks and customs will be stamped with electronic signature, to insure that the payment action is real, complete and undeniable, and this conforms to the current law of China. Thus the capital of the users in bank account is secure, and this system also greatly reduced the pressure of customer service of customs and banks. All the payment process is electronic, and this also conforms to the concept of paperless customs clearance.This article describes this system from the following aspect, requirement analysis, function design, technical architect design, message interface design, CA design and implementation. It is a relative complete payment solution for customs tax and fee payment up to now. The implementation of payment system proves that this system is stable, reliable, and has reached the goal that Shanghai customs previously designed.