33(1)(a)

contains information or matter the disclosure of which under this Act could reasonably be expected to cause damage to the security, defence or international relations of the Commonwealth
Section 33(1)(a) of the Archives Act 1983

1010

closed files

cite this as a reason you're not allowed to see them
60

years

is the average age of closed files that cite this reason, based on the date of their earliest content
108

series

contain closed files that cite this reason
22.178217821782177

years

is the average age of decisions to closed files citing this reason

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Here's some examples of closed files that cite this reason…

Series Control Symbol Title Contents dates
A6122 1115 Communist Party of Australia. New South Wales - Malleys, South Sydney, Branch 1949 - 1956
A3092 201/7/1 PART 2B US defence policy 19 Aug 1958 - 30 Mar 1960
AWM54 244/2/7 [Demolitions - Schemes:] Demolition Plans: Brisbane Fortress Area, Belt "G" 1939 - 1945
A1838 3006/6/6 South East Asia intra regional relations - Thailand - Relations with Singapore 1965 - 1978
A1838 563/10/3 PART 4 Communism - SEATO - Information Committee 1956 - 1956
A6122 866 CPA [Communist Party of Australia] (Western Australia) - Claremont Branch 1949 - 1956
A10872 100/1/6 The Director - Terms and conditions of employment - General policy file [Australian Secret Intelligence Service, ASIS] 1954 - 1980
A6980 S250335 Security screening - Malta 1960 - 1989
A2031 45/1956 Australia, New Zealand and United States Staff Planners Meeting, Pearl Harbour, March 1956 [Remainder of title exempt] 1956 - 1956
A6122 710 C P of A [Communist Party of Australia] Queensland Ross River Meat Works Branch 1949 - 1949
A816 44/301/219 SEATO [South East Asia Treaty Organisation] Combined Training Exercise "AIR LINK" Bangkok 28 May - 1 June 1957 1957 - 1957
A6119 565 Phyllis LATONA 1949 - 1961
A2031 91/1959 South East Asian Trade Organization Military Planning Office Plan 5B/59 - Plan for the introduction and maintenance of a South East Asian Trade Organization force to assist the Royal Laotian Government to counter Communist insurgency in Laos 1959 - 1959
A1209 1957/5847 SEATO. Manila Conference Report 1955 on unconventional warfare 1955 - 1955
M1268 363 [Personal Papers of Prime Minister Fraser] Miscellaneous file of sensitive papers on Foreign Affairs or security matters 19 Jan 1976 - 09 Jan 1983
A1838 152/2/1 PART 12 Cyprus - Political developments - General 1963 - 1966
A1838 100/12/7 Circulation of Material (Including External Affairs Requirements) 1953 - 1964
A816 19/305/141 Indonesia 1951 - 1952
A6122 1260 Australian Institute of International Affairs, volume 2 1961 - 1961
A9108 ROLL 14/26 Reports from security liaison office, Hong Kong [0.5cm] 1951 - 1951