| Section No. | Description |
|---|---|
| Section 4a.1 | Deputy Assistant Secretary for Security |
| Section 4a.2 | Classification levels |
| Section 4a.3 | Classification authority |
| Section 4a.4 | Duration of classification |
| Section 4a.5 | General |
| Section 4a.6 | Mandatory review for declassification |
| Section 4a.7 | Access to classified information by individuals outside the Government |
| Section 4a.8 | Purpose |