In line with the participation of "CPT Single Window", to examine the documents signed clearance purpose than job automation services, especially the planning of the system, and customs systems will be interfaced to do messaging. And with the EPD battery, Duhua Wu, waste, environment, medicine and other four business units of the visa system interfacing, were agreed to exchange files. After the system integration business unit of exchange visa system, to receive a transmission ratio of customs documents will do message (X801) performed after documents than the right, and produce documents than the results of a reply message (X802) sent back to the customs system. Let 'documents than "job review authority to sign the return, and reached the goal of paperless customs clearance operations, enhance the overall competitiveness of China's foreign trade.

CPT Single Window， Declarations， Permits， ebMS Gateway， NX801， NX802