Identifies the party making the request.
| Tag | Name | Type | Required | Description |
|---|---|---|---|---|
| 1657 | NumInGroup | Number of requesting party identifiers. | ||
| 1658 | String | Required when NoRequestingPartyIDs > 0 | ||
| 1659 | Char Enum | Required when NoRequestingPartyIDs > 0 | ||
| 1660 | Int Enum | Required when NoRequestingPartyIDs > 0 | ||
| 2338 | Int Enum | |||
| Component |