HC Deb 27 July 1978 vol 954 c858W
Mr. Lee

asked the Attorney-General how many separate instances currently exist of secret papers embargoed under the 30-year rule and the 100-year rule, respectively, and of any other fixed time period in excess of 30 years and less than 100 years; and what were the corresponding figures for the middle of 1973 and 1974.

Mr. Arthur Davidson

This information could not be provided without undue cost.