EDI Reference / segments / AK1
AK1
Functional Group Response Header
On a 997 — which group is being acknowledged.
Key elements
| Element | Name | What it carries |
|---|---|---|
| AK101 | Functional ID | The GS01 of the group being acked. |
| AK102 | Group Control Number | The GS06 being acked. |
Key elements only — the ones that matter in retail trade, not the full element list.
Appears in
See a real AK1 in context — paste any X12 and the Inspector breaks out every segment.
Inspect an X12 free