Reference number assigned by the sender to relate a transaction set to a master transaction (When associating a group of purchase orders, invoices or other transaction sets, use the master reference (link) number to identify the group and the link sequence number to identify individual transaction sets within the group)

Standard Carrier Alpha Code

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

Occurrence counter

Monetary amount

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