| Code | Meaning |
|---|---|
| Urgent: | Indicates immediate action is needed. |
| Backup: | Request for additional police units. |
| BOLO: | Be on the lookout (used for describing wanted individuals or vehicles). |
| ETA: | Estimated time of arrival. |
| Affirmative: | Yes or confirmation. |
| Negative: | No or disagreement. |
| Roger: | Message received and understood. |