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
A816 14/301/530 The Defence Department's Programme 1952-53 1952 - 1953
A7936 B/5/10 Estimates 1957-1958 1957 - 1957
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
A1838 100/12/9 [modified title, original item title partially exempt] 1953 - 1976
A6122 1092 Communist Party of Australia - New South Wales - illegal apparatus 1949 - 1956
A7359 BOX 10/13 Report by [portion of title exempt] on the recommendation of a security service of the Commonwealth of Australia after the termination of hostilities (together with comment on the present organisation of the Commonwealth Security Service) 22.9.44 1944 - 1944
A1838 1495/1/9/4 PART 4 Antarctic - International Geophysical Year - Russian Participation 1956 - 1956
A7452 A391 PART 1 Hope Commission inquiry [RCSIA] into Sheraton Hotel incident 1983 - 1986
A1209 1958/5994 PART 3 [Modified title: Exchange of intelligence material] - Weekly intelligence summaries 1958 - 1958
AWM54 244/2/2 [Demolitions - Schemes:] Demolition Plans: Brisbane Fortress Area, Belt "B" 1939 - 1945
A1838 3020/11/87/1 PART 1 North Vietnam - Chinese Communist aid to North Vietnam 1951 - 1974
A1838 TS917/2 United Nations Anglo Argentine Dispute - Falkland Islands 1946 - 1948
A6119 248 BREZNIAK, Lhyam (VOLUME 2) 1955 - 1955
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
A6122 773 Communist Party of Australia. NSW Ross Street Technical College Branch 1949 - 1949
A2031 268/1945 268/1945 : Destruction of Japanese crops in South West Pacific area 1945 - 1945
A1838 TS899/6/6/1 Commonwealth Prime Ministers Conference 1960 - Minutes and Proceedings [290pp] 1960 - 1960
A1838 TS690/4/5 PART 6 JIC London reports 1969 - 1975
A2031 125/1955 Exchange of information for SEAMIL purposes 1955 - 1955