B1 Beginning Segment for Booking or Pick-up/Delivery
To transmit identifying numbers, dates and other basic data relating to the transaction set
Position
Element
Name
Type
Requirement
Min
Max
Repeat
Code uniquely identifying a Transaction Set.
Identification number assigned to the shipment by the shipper (number does not contain blank or punctuation characters). Also see: Reference Number Qualifier (128).
Date booking for ocean voyage was accepted by the carrier.
Code identifying action on reservation or offering.