1979 May 4 - 1987 Oct 30
Prime Ministerial Private Office files
PREM19/2500
Security (Reform of the Official Secrets Act) (Part 1)
| Source: | TNA, PREM19 series |
|---|---|
| Release date: | Reconsideration 2027 |
| Classification: | Retained Sec 3.4 |
| Page count: |