| Code Value | Definition |
|---|---|
| AS | Anti-Smuggling |
| BPT | Boat Patrol |
| CAP | Criminal Alien Program |
| CRW | Crewman/Stowaway |
| ES | Employer Sanctions |
| ESU | Worksite Enforcement |
| ISP | Inspections |
| L | Located |
| O | Other efforts |
| OA | Other Agency (turned over to INS) |
| OCD | Organized Crime Drug Enforcement Task Force |
| OTF | Other Task Force |
| PB | Patrol Border |
| PI | Patrol Interior |
| TCA | Traffic Check Aircraft |
| TCB | Traffic Check Bus |
| TCF | Traffic Check Freight Train |
| TCP | Traffic Check Passenger Train |
| TRC | Traffic Check |
| XXX | Arrest method not recorded |