To identify a group in the subject interchange and to indicate acknowledgement or rejection (action taken) of the ung and une segments, and to identify any error related to these segments.
| Position | Element | Name | Requirement | Type | Min/Max | Repeat |
|---|---|---|---|---|---|---|
10 | 48 | Group reference number | Mandatory | Alphanumeric | 1/14 | 1 |
40 | 83 | Action, coded | Mandatory | Alphanumeric | 1/3 | 1 |
50 | 85 | Syntax error, coded | Opt | Alphanumeric | 1/3 | 1 |
60 | 135 | Service segment tag, coded | Opt | Alphanumeric | 1/3 | 1 |
80 | 534 | Security reference number | Opt | Alphanumeric | 1/14 | 1 |
90 | 138 | Security segment position | Opt | Alphanumeric | 1/6 | 1 |
© 2026. All rights reserved.