The "'thirty year rule'" is the popular name given to a law in the
United Kingdom, the
Republic of Ireland and
Australia that states that the yearly cabinet papers of a government will be released publicly thirty years after they were created.
United Kingdom
In the United Kingdom, the Public Records Act 1958, amended in 1967, states that "Public records ....other than those to which members of the public have had access before their transfer ...., shall not be available for public inspection until they have been in existence for [thirty] years or such other period....as the Lord Chancellor may,.... for the time being prescribe as respects any particular class of public records." The rule was essentially two 30 year rules; one requiring that records be transferred from government departments to the Public Record Office (now
The National Archives) at 30 years unless specific exemptions were given (by the Lord Chancellor's Advisory Council on Public Records), and that they were opened at such time unless they were deemed likely to cause "damage to the country's image, national security or foreign relations" if they were to be released.
A good example of this was when the British cabinet papers for
1973 were released - the papers covering
September 11 were barred from release as that was the day of the coup by
Augusto Pinochet against
Chilean President
Salvador Allende.
This rule was changed by the Freedom of Information Act (Act of 2000 - which came into force Jan 1st 2005). The FOI act essentially removed the 2nd of the 30 year rules (the access one) and replaced it with some provisions allowing citizens to request information before 30 years, but removing some of those exemptions at the 30 year point. Therefore, at 30 years, information is now transferred to The National Archives, and is reviewed under the FOI act to see if it should be opened. The only rationale for keeping it closed within The National Archives is if an FOI exemption applies.
As a result of this change, releases now happen monthly, rather than annually.
See also
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Classified information in the United Kingdom
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Freedom of Information Act 2000
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Freedom of information in the United Kingdom
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Redaction
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The National Archives
References
External links
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The National Archives