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
18

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
AWM54 179/5/14 PART 11 [Chemical Warfare - Trials:] Dugway Proving Grounds. Mobile Chemical Warfare Section Unit, 1945-1946 1945 - 1946
A1209 1961/1375 SEATO - Intelligence Committee report of the meeting 1961 - 1962
A3411 48 South-East Asia Treaty Organisation. Second Meeting of the Council of Ministers held at Karachi (from 6-8 March 1956) 1956 - 1956
A6122 500 Communist Party of Australia - Branches Victoria AbbotsfordBrewery Branch 1949 - 1949
A12391 R18 The Satellite Intelligence and Security Services, June 1974 1974 - 1974
AWM54 179/1/15 [Chemical Warfare - General:] Headquarters Army Service Forces, Office of the Chief of Chemical Warfare, Washington 25 DC - Chemical Warfare Intelligence Bulletins, Nos 39-56, Aug 1944 - Jun 1945 1944 - 1945
AWM54 179/5/8 PART 6 [Chemical Warfare - Trials:] Munitions Supply Laboratories. Abstract reports indexed in records of Chemical Defence Board [Part 6 of 23] 1944 - 1944
A1838 917/2 United Nations Anglo-Argentine dispute Falkland Islands 1964 - 1970
A1533 1957/2081 Counterfeit US currency passed in Curacao 1957 - 1968
A1838 3107/20/1 PART 1 China - Secondary Industries - Power & Oil 1949 - 1973
A12389 BB7 The [portion of title exempt] Case - January 1975 1966 - 1975
AWM54 179/5/7 PART 4 [Chemical Warfare - Trials:] Reports from Australian Field Experimental Station, Proserpine, Queensland (May 1945) [part 4 of 10] 1945 - 1945
A1838 TS690/4/5 PART 6 JIC London reports 1969 - 1975
A816 25/301/608 Exchange of Defence Information between Canada and Australia 1954 - 1957
A1838 3080/4/5 PART 2 Papua New Guinea - Defence & Security - Defence Arrangements with Australia 1973 - 1975
A5799 5/1968 Release of intelligence [portion of title withheld] - [Attached is JIC Report no. 1/1968] 15 Feb 1968 - 15 Feb 1968
A2031 268/1945 268/1945 : Destruction of Japanese crops in South West Pacific area 1945 - 1945
A1838 694/2/4 PART 4 [Modified title: Exchange of intelligence material with the United States of America] - Received from Washington 1968 - 1969
A1838 919/8/9 PART 24 United Nations - Disarmament - Prohibition of use of nuclear weapons resolution 1653 - Control of missile system SALT [Strategic Arms Limitation Talks] 1978 - 1979
A2031 14/1955 Exchange of Joint Intelligence Committee papers [modified title, original item title partially exempt] 1955 - 1955