BW Beginning Segment for Weight Message Set

To transmit identifying numbers, dates and other basic data relating to the transaction set

Position: BW-01 · Element: 298 · Name: Origin EDI Carrier Code · Type: Identifier (ID) · Requirement: Mandatory · Min: 2 · Max: 4 · Repeat: -

Code (SCAC) identifying the carrier which originates the EDI transaction set for a shipment.

Position: BW-02 · Element: 145 · Name: Shipment Identification Number · Type: String (AN) · Requirement: Optional · Min: 1 · Max: 30 · Repeat: -

Identification number assigned to the shipment by the shipper that uniquely identifies the shipment from origin to ultimate destination and is not subject to modification. (Does not contain blanks or special characters.)

Position: BW-03 · Element: 188 · Name: Weight Unit Code · Type: Identifier (ID) · Requirement: Mandatory · Min: 1 · Max: 1 · Repeat: -

Code specifying the weight unit

Position: BW-04 · Element: 460 · Name: Shipment Weight Code · Type: Identifier (ID) · Requirement: Mandatory · Min: 1 · Max: 1 · Repeat: -

Code indicating the way by which weights are obtained for a particular shipment.