| Tag | Field Name | Data Type | Union Datatype | Description | Added | Depr. | Enums from tag |
|---|---|---|---|---|---|---|---|
| 455 | SecurityAltID | String |
Alternate Security identifier value for this security of SecurityAltIDSource type (e.g. CUSIP, SEDOL, ISIN, etc). Requires SecurityAltIDSource. | Added FIX.4.3 |
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