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

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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
26.178217821782177

years

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

Series Control Symbol Title Contents dates
AWM54 179/5/8 PART 16 [Chemical Warfare - Trials:] Munitions Supply Laboratories. Abstract reports indexed in records of Chemical Defence Board [Part 16 of 23] 1945 - 1945
A1838 3020/11/87/1 PART 1 North Vietnam - Chinese Communist aid to North Vietnam 1951 - 1974
A2031 268/1945 268/1945 : Destruction of Japanese crops in South West Pacific area 1945 - 1945
A7452 A391 PART 1 Hope Commission inquiry [RCSIA] into Sheraton Hotel incident 1983 - 1986
A1838 1495/1/9/4 PART 4 Antarctic - International Geophysical Year - Russian Participation 1956 - 1956
A1838 TS690/4/5 PART 6 JIC London reports 1969 - 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 3107/20/1 PART 1 China - Secondary Industries - Power & Oil 1949 - 1973
A1533 1957/2081 Counterfeit US currency passed in Curacao 1957 - 1968
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
A7936 B/5/10 Estimates 1957-1958 1957 - 1957
A12391 R18 The Satellite Intelligence and Security Services, June 1974 1974 - 1974
A6122 500 Communist Party of Australia - Branches Victoria AbbotsfordBrewery Branch 1949 - 1949
A3411 48 South-East Asia Treaty Organisation. Second Meeting of the Council of Ministers held at Karachi (from 6-8 March 1956) 1956 - 1956
AWM54 179/5/14 PART 11 [Chemical Warfare - Trials:] Dugway Proving Grounds. Mobile Chemical Warfare Section Unit, 1945-1946 1945 - 1946
A816 14/301/530 The Defence Department's Programme 1952-53 1952 - 1953
A12933 122 Cabinet Paper No 122 : [title exempt] - File No LC1106 01 Aug 1977 - 01 Aug 1977
A6122 827 Communist Party of Australia - Victoria - BALWYN branch 1947 - 1956
A1209 1961/1375 SEATO - Intelligence Committee report of the meeting 1961 - 1962
A1838 100/12/9 [modified title, original item title partially exempt] 1953 - 1976