HC Deb 31 July 1978 vol 955 c32W
Mr. Robin F. Cook

asked the Secretary of State for the Home Department (1) whether the Crown Post Office, Trafalgar Square, is a prohibited place under section 3 of the Official Secrets Act;

(2) whether the London Post Office tower is a prohibited place under the Official Secrets Act.

Mr. Merlyn Rees

By virtue of paragraph 21 of schedule 4 to the Post Office Act 1969, any telegraph, telephone, wireless or signal station or office belonging to, or occupied by, the Post Office is a prohibited place for the purposes of the Official Secrets Act 1911.