To specify the details of the usage of a segment within a message type structure.
| Position | Element | Name | Requirement | Type | Min/Max | Repeat |
|---|---|---|---|---|---|---|
10 | 9166 | Segment tag identifier | Mandatory | Alphanumeric | 1/3 | AtMax 1 |
20 | 7299 | Requirement designator code | Opt | ID | 1/3 | AtMax 1 |
30 | 6176 | Occurrences maximum number | Opt | Decimal | 1/7 | AtMax 1 |
40 | 7168 | Level number | Opt | Decimal | 1/3 | AtMax 1 |
50 | 1050 | Sequence position identifier | Opt | Alphanumeric | 1/10 | AtMax 1 |
60 | 1049 | Message section code | Opt | ID | 1/3 | AtMax 1 |
70 | 4513 | Maintenance operation code | Opt | ID | 1/3 | AtMax 1 |
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