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. For example, the response could indicate that the envelope was sent or delivered. EDI in which Transaction Sets are sent and received online and entire transactions can be completed in a single session.
Information is collected by individual procurement offices.
In most cases, the SF-129 form is being superseded by the EDI 838 contractor registration process. For example, a data element and its qualifier can be sub-elements of a composite Data Element. It eliminates the need for start and stop bits basic to asynchronous transmission and significantly increases data throughput rates. They all imply businesses that sell to the Government. These are generally used in the private sector among EDI Trading Partners.