| Tag | Field Name | Abbr Name | Data Type | Union Datatype | Description | Pedigree |
|---|---|---|---|---|---|---|
| 2835 | OrderOriginationFirmID | OrigntnFirmID | String | Identifier for the original owner of an order as part of the RelatedOrderGrp component. Use the Parties component with PartyRole(452) = 13 (Order Origination Firm) to identify the original owner of an individual order. | Added EP253 Updated EP259 |
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