ISA Interchange Control Header
To start and identify an interchange of zero or more functional groups and interchange-related control segments
Position
Element
Name
Type
Requirement
Min
Max
Repeat
Code identifying the type of information in the Authorization Information
Information used for additional identification or authorization of the interchange sender or the data in the interchange; the type of information is set by the Authorization Information Qualifier (I01)
Code identifying the type of information in the Security Information
This is used for identifying the security information about the interchange sender or the data in the interchange; the type of information is set by the Security Information Qualifier (I03)
Code indicating the system/method of code structure used to designate the sender or receiver ID element being qualified
Identification code published by the sender for other parties to use as the receiver ID to route data to them; the sender always codes this value in the sender ID element
Code indicating the system/method of code structure used to designate the sender or receiver ID element being qualified
Identification code published by the receiver of the data; When sending, it is used by the sender as their sending ID, thus other parties sending to them will use this as a receiving ID to route data to them
Date of the interchange
Time of the interchange
Type is not applicable; the repetition separator is a delimiter and not a data element; this field provides the delimiter used to separate repeated occurrences of a simple data element or a composite data structure; this value must be different than the data element separator, component element separator, and the segment terminator
Code specifying the version number of the interchange control segments, the version of the data elements within the control segments, and the code values within those data elements.
A control number assigned by the interchange sender
Code indicating sender's request for an interchange acknowledgment
Code indicating whether data enclosed by this interchange envelope is test, production or information
Type is not applicable; the component data element separator is a delimiter and not a data element; this field provides the delimiter used to separate component data elements within a composite data structure; this value must be different than the data element separator and the segment terminator