| Tag | Field Name | Abbr Name | Data Type | Union Datatype | Description | Pedigree |
|---|---|---|---|---|---|---|
| 40562 | UnderlyingStreamFirstRegularPeriodStartDateUnadjusted | FirstReglrStartDtUnadj | LocalMktDate | The unadjusted first start date of the regular calculation period, if there is an initial stub period. | Added EP161 |
|