B4 Beginning Segment for Inquiry or Reply
To transmit identifying numbers, dates and other basic data relating to the transaction set
Code specifying special transportation handling instructions.
Identifying number assigned by inquirer.
Code indicating last reported status for a shipment.
Date of last reported status of cargo.
Time (HHMM) of last reported status of cargo.
Air shipment: Airport code for last reported status for a shipment. (Note: If the shipment is in-flight, the status location is the origin airport for this flight.) Ground transportation: Code of carrier's terminal.
Prefix or alphabetic part of an equipment unit's identifying number.
P0708: If either B4-07 or B4-08 is present, then the other is required
Sequencing or serial part of an equipment unit's identifying number (pure numeric form for equipment number is preferred).
Code indicating status of equipment.
Code identifying equipment type
Code which identifies a specific location.