...
| Days before expiration (date limited license) | Hours before expiration (time limited license) | Alert Level |
|---|---|---|
| More than 7 | More than 72 hours | INFORMATIONAL |
| Between 4 and 7 | Between 49 and 72 hours | MINOR |
| Between 2 and 3 | Between 25 and 48 hours | MAJOR |
| Less than 2 | Between 0 and 24 hours | CRITICAL |
| < 0 | 0 hours and 0 minutes | EXPIRED |
...