| Tag | Field Name | Abbr Name | Data Type | Union Datatype | Description | Pedigree |
|---|---|---|---|---|---|---|
| 43031 | UnderlyingReturnRateFXCurrencySymbol | CcySym | String | Specifies the currency pair for the FX conversion expressed using the CCY1/CCY2 convention. Uses ISO 4217 currency codes. | Added EP208 |
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