http://www.legislation.gov.uk/ukpga/Geo6/2-3/121/section/1Official Secrets Act 1939 (repealed)An Act to amend section six of the Official Secrets Act 1920.1978-06-01texttext/xmlenStatute Law Database2024-01-22Expert Participation2023-12-20F11 Amendment of 10 & 11 Geo. 5. c. 75, s.6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .