GE Functional Group Trailer
To indicate the end of a functional group and to provide control information
Number of Transaction Sets Included
Total number of transaction sets included in the functional group or interchange (transmission) group terminated by the trailer containing this data element.
The data interchange control number (GE02) in this trailer must be identical to the same data element in the associated Functional Group Header (GS06).
Group Control Number
Assigned number originated and maintained by the sender.