B10
	Beginning Segment for Transportation Carrier Shipment Status Message	.	Pos: 020 Max: 1 Heading - Mandatory Loop: N/A Elements: 0	.

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

Syntax Notes:
01. B1001 R0106 -- At least one of B1001 or B1006 is required.
02. B1001 E0105 -- Only one of B1001 or B1005 may be present.
03. B1005 P0506 -- If either B1005 or B1006 are present, then the others are required.

Semantics:

01.	B1001 is the carrier assigned reference number.
07.	B1007 indicates if the reference numbers included in this transmission were transmitted to the carrier via EDI or key entered by the carrier. A "Y" indicates that the carrier received the reference numbers in an EDI transmission; an "N" indicates that the carrier did not receive the reference numbers in an EDI transmission and key entered the data from a shipper supplied document.

Comments:

01.	B1001 is the carrier's PRO (invoice number) that identifies the shipment.
03.	B1003 is required when used in Transaction Set 214.
06.	B1006 is the carrier assigned bar code identification or another carrier assigned shipment identification, such as a manifest number.