| (SI)3 Security Levels |
| Level 1 AAA----------Access to all (SI)3 facilities and levels Access to all (SI)3 systems. Command level access no restrictions |
| Level 1 AA----------Access to all (SI)3 facilities and levels Access to all (SI)3 systems. Command level access restrictions |
| Level 1 A----------Access to all (SI)3 facilities and levels Access to all (SI)3 systems. No Command level access |
| Level 2 BBB----------Limited access to(SI)3 facilities and levels Limited access to (SI)3 systems No command level access |
| Level 2 BB----------Limited access to(SI)3 facilities and levels Limited access to (SI)3 systems No command level access |
| Level 2 B----------Limited access to(SI)3 facilities and levels Limited access to (SI)3 systems No command level access |
| Level 3 CCC----------Limited access to (SI)3 facilities and levels No access to (SI)3 systems No command level access |
| Level 3 CC---------Limited access to (SI)3 facilities and levels No access to (SI)3 systems No command level access |
| Level 3 C----------Limited access to (SI)3 facilities and levels No access to (SI)3 systems No command level access |
| Level 4 DDD---------(SI) visitor status |
| Level 4 DD--------(SI) visitor status |
| Level 4 D---------(SI) visitor status |
| Level 5 EEE-----------Detention status No mobility restrictions |
| Level 5 EE-----------Detention status Mobility restrictions |
| Level 5 E-----------Detention status Total mobility restrictions |