EDI is one of innovations which was brought in the last decades by the development of computers technique, computer network and information technologies. It contributes to the solution of failures of traditional information interchange, such as the decree of delay concerning maintenance fulfilling d nd paper documents transport, then the reduction of the number of errors and time fulfilling data ! П/ is a direct interchange of business information's between computer applications of business partners without any personal interference by means of acceptable standards given ahead in order to create electronics messages which stand for the standard business documents. EDI interchange is simply an informational basis for the implementation of business procedures redesigning. In that way the defined additions and corrections in the actual applicable company software are conducted. That software is adjusted to new business conditions and new business information interchange. A new approach of managing "Just-In-Time" gave new improvements in industrial production and stock managing, especially in automobile industry where it is mostly applied.