| Tag | Field Name | Data Type | Req’d | Description |
|---|---|---|---|---|
| 116 | NoRootPartyIDs | NumInGroup | Y | Number of parties in the RootParty repeating group. |
| →1117 | RootPartyID | String | Y | Unique identifier for this root party. |
| →1118 | RootPartyIDSource | Char | Y | The source of this root party. C = Generally accepted market participant identifier (always exactly 1 required) G = MIC (optional) |
| →1119 | RootPartyRole | Int | Y | The role of this root party. 73 = Execution Venue |