| ID | Name | Required | List |
|---|---|---|---|
| ORI | Originating Agency Identifier (ORI) | Y | N |
| NTN | NICS Transaction Number (NTN) | Y | N |
| FBI | FBI Number/UCN (FBI) | N | N |
| NIC | NCIC Number (NIC) | N | N |
| NRI | NICS Record Identifier (NRI) | N | N |
| SRI | State Record Identifier (SRI) | N | N |
| PCA | Category of Prohibited Person (PCA) | Y | Y |
| MIS | Miscellaneous (MIS) | N | N |