| ID | Name | Required | List |
|---|---|---|---|
| ORI | Originating Agency Identifier (ORI) | Y | N |
| DRI | Device ID/Group ID (DRI) | Y | Y |
| DRI1 | (DRI1) | N | Y |
| DRI2 | (DRI2) | N | Y |
| DRI3 | Device ID/Group ID (DRI3) | N | Y |
| DRI4 | (DRI4) | N | Y |
| DRI5 | (DRI5) | N | Y |
| DRI6 | Device ID/Group ID (DRI6) | N | Y |
| DRI7 | (DRI7) | N | Y |
| DRI8 | (DRI8) | N | Y |
| DRI9 | Device ID/Group ID (DRI9) | N | Y |
| DRI10 | (DRI10) | N | Y |
| DRI11 | (DRI11) | N | Y |
| DRI12 | Device ID/Group ID (DRI12) | N | Y |
| DRI13 | (DRI13) | N | Y |
| DRI14 | (DRI14) | N | Y |