| Tag | Field Name | Abbr Name | Data Type | Union Datatype | Description | Pedigree |
|---|---|---|---|---|---|---|
| 455 | SecurityAltID | AltID | String | Alternate Security identifier value for this security of SecurityAltIDSource (456) type (e.g. CUSIP, SEDOL, ISIN, etc). Requires SecurityAltIDSource. Data domain controlled by field SecurityAltIDSource(456) | Added FIX.4.3 |
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