| Tag | Field Name | XML Name | Data Type | Union Datatype | Description | Added | Depr. | Enums from tag |
|---|---|---|---|---|---|---|---|---|
| 616 | LegSecurityExchange | @Exch | Exchange |
Multileg instrument's individual security’s SecurityExchange. See SecurityExchange (207) field for description | Added FIX.4.3 |
|