Reference information as defined for a particular Transaction Set or as specified by the Reference Identification Qualifier

B1001 is the carrier assigned reference number.

B1001 is the carrier's PRO (invoice number) that identifies the 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)

Standard Carrier Alpha Code

B1003 is required when used in Transaction Set 214.

Identifying number assigned by inquirer

Code qualifying the Reference Identification

Reference information as defined for a particular Transaction Set or as specified by the Reference Identification Qualifier

B1006 is the carrier assigned bar code identification or another carrier assigned shipment identification, such as a manifest number.

Code indicating a Yes or No condition or response

B1007 indicates if the reference numbers included in this transmission were transmitted to the carrier in electronic format or key entered by the carrier. A "Y" indicates the carrier utilized the electronic shipper supplied reference information to create this document; an "N" indicates the carrier key entered the reference information from a shipper supplied document.

Date expressed as CCYYMMDD where CC represents the first two digits of the calendar year

B1008 is the transaction creation date.

Time expressed in 24-hour clock time as follows: HHMM, or HHMMSS, or HHMMSSD, or HHMMSSDD, where H = hours (00-23), M = minutes (00-59), S = integer seconds (00-59) and DD = decimal seconds; decimal seconds are expressed as follows: D = tenths (0-9) and DD = hundredths (00-99)

B1009 is the transaction creation time.