| Tag | Field Name | XML Name | Data Type | Union Datatype | Description | Added | Depr. | Enums from tag |
|---|---|---|---|---|---|---|---|---|
| 599 | LegInstrRegistry | @Rgstry | String |
Multileg instrument's individual leg security’s InstrRegistry. See InstrRegistry (543) field for description | Added FIX.4.3 |
|