BW Beginning Segment for Weight Message Set
To transmit identifying numbers, dates and other basic data relating to the transaction set
Position
Element
Name
Type
Requirement
Min
Max
Repeat
Code (SCAC) identifying the carrier which originates the EDI transaction set for a shipment.
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.)
Code specifying the weight unit