To identify dependencies among and the content of hierarchically related groups of data segments.

To specify basic item identification data.

To specify line item detail relative to shipment

To specify product subline detail item data

To provide reference to a specific purchase order

To specify the physical qualities, packaging, weights and dimensions relating to the item.

To describe a product or process in coded or free-form format

To specify physical measurements, including dimensions, tolerances, weights and counts.

To specify the type and transmission of paperwork relating to a product, order or report.

To describe marking, packaging, loading and unloading requirements.

To specify the transportation details relative to commodity, weight and quantity.

To specify the carrier, sequence of routing and to provide transit time information

To specify transportation details relating to the equipment used by the carrier.

To specify transportation special handling requirements and hazardous materials information

To specify identifying numbers.

To identify a person or office to whom administrative communications should be directed

To indicate identifying marks and numbers for shipping containers

To specify pertinent dates and times

To specify transportation instructions relating to shipment

To specify destination and quantity detail.

To specify information relating to premium transportation.

To specify the currency (dollars, pounds, francs, etc.) used in a transaction

To specify allowances, charges or services