The UnderlyingDeliveryStreamCommoditySourceGrp is a repeating subcomponent of the UnderlyingDeliveryStream component used to detail the origins or sources of the commodity.
| Tag | Name | Type | Required | Description |
|---|---|---|---|---|
| 41808 | NumInGroup | Number of commodity sources in the repeating group. | ||
| 41809 | String | Required if NoUnderlyingDeliveryStreamCommoditySources(41808) > 0 |