The Federal Government aids supply chains for the Government and large corporations that have adopted EC-based transactions as the way to do business. It typically uses fixed-length format rather than variable length ANSI ASC X12 format. For example, a functional group may include a Purchase Order, Purchase Order Acknowledgment, etc. It provides EDI translation services, archiving, security, and environment management. All information is converted into a uniform coding system called the ANSI X12 format to enable everyone to understand the data.
Headers are control structures.
Such conventions generally define how segments, elements, and code within a standard should be used. They also contain explanatory remarks. A set of Transaction Sets or messages sent from one sender to one receiver at one time. They are delineated by an interchange control structure. The process is reversed when receiving data.