AK1 Functional Group Response Header
To start acknowledgment of a functional group
Functional Identifier Code
Code identifying a group of application related transaction sets
AK101 is the functional ID found in the GS segment (GS01) in the functional group being acknowledged.
Group Control Number
Assigned number originated and maintained by the sender
AK102 is the functional group control number found in the GS segment in the functional group being acknowledged.
Version / Release / Industry Identifier Code
Code indicating the version, release, subrelease, and industry identifier of the EDI standard being used, including the GS and GE segments; if code in DE455 in GS segment is X, then in DE 480 positions 1-3 are the version number; positions 4-6 are the release and subrelease, level of the version; and positions 7-12 are the industry or trade association identifiers (optionally assigned by user); if code in DE455 in GS segment is T, then other formats are allowed
AK103 is the version release industry identifier code in the GS segment (GS08) in the functional group being acknowledged.