| Tag | Field Name | Abbr Name | Data Type | Union Datatype | Description | Pedigree |
|---|---|---|---|---|---|---|
| 526 | SecondaryClOrdID | ClOrdID2 / ID2 in SingleGeneralOrderHandling | String | Assigned by the party which originates the order. Can be used to provide the ClOrdID (11) used by an exchange or executing system. | Added FIX.4.3 |
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