| ID | Name | Required | List |
|---|---|---|---|
| ORI | Originating Agency Identifier (ORI) | Y | N |
| DRI | Nlets Destination Code (DRI) | Y | Y |
| DRI1 | Nlets Destination Code (DRI1) | N | Y |
| DRI2 | Nlets Destination Code (DRI2) | N | Y |
| DRI3 | Nlets Destination Code (DRI3) | N | Y |
| DRI4 | Nlets Destination Code (DRI4) | N | Y |