| Tag | Field Name | Data Type | Union Datatype | Description | Added | Depr. | Enums from tag |
|---|---|---|---|---|---|---|---|
| 458 | UnderlyingSecurityAltID | String |
Alternate Security identifier value for this underlying security of UnderlyingSecurityAltIDSource type (e.g. CUSIP, SEDOL, ISIN, etc). Requires UnderlyingSecurityAltIDSource. | Added FIX.4.3 |
|