UnderlyingStreamCommodityAltIDGrp is a subcomponent of the UnderlyingStreamCommodity component used to specify alternate identifiers.
| Tag | Name | Type | Required | Description |
|---|---|---|---|---|
| 41990 | NumInGroup | Number of alternate security identifiers. | ||
| 41991 | String | Required if NoUnderlyingStreamCommodityAltIDs(41990) > 0 | ||
| 41992 | String | Required if NoUnderlyingStreamCommodityAltIDs(41990) > 0 |