IEA Interchange Control Trailer
To define the end of an interchange of zero or more functional groups and interchange-related control segments
Position
Element
Name
Type
Requirement
Min
Max
Repeat
IEA01
Number of Included Functional Groups
Numeric (N0)
Mandatory
1
5
1
A count of the number of functional groups included in an interchange
IEA02
Interchange Control Number
Numeric (N0)
Mandatory
9
9
1
A control number assigned by the interchange sender