Sub identifiers for related parties alternate identifiers.
| Tag | Name | Type | Required | Description |
|---|---|---|---|---|
| 1572 | NumInGroup | Number of related party detail alternate sub-identifiers. | ||
| 1573 | String | Required when NoRelatedPartyDetailAltSubIDs > 0 | ||
| 1574 | Int Enum | Required when NoRelatedPartyDetailAltSubIDs > 0 |