| Tag | Field Name | Abbr Name | Data Type | Union Datatype | Description | Pedigree |
|---|---|---|---|---|---|---|
| 1788 | LegID | LegID | String | Unique identifier for the leg within the context of a message (the scope of uniqueness to be defined by counterparty agreement). The LegID(1788) can be referenced using LegRefID(654). | Added EP131 |
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