B4 Beginning Segment for Inquiry or Reply
To transmit identifying numbers, dates, and other basic data relating to the transaction set
Position
Element
Name
Type
Requirement
Min
Max
Repeat
Code specifying special transportation handling instructions
Identifying number assigned by inquirer
Code indicating the status of a shipment
Date (YYMMDD)
B404 is the 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
P1112: If either B4-11 or B4-12 is present, then the other is required
Code identifying type of location
Number which designates the check digit applied to a piece of equipment