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
21

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 1112 Communist Party of Australia. New South Wales - Moss Vale Branch. 1949 - 1956
A1209 1960/219 Report of the Logistic Committee - 3rd meeting Bangkok 1960 1960 - 1960
A1209 1964/6310 The outlook for North Vietnam [part of title exempt] 1964 - 1964
A1533 1968/1593 Sinking of MV Wahine New Zealand 1968 - 1968
B1387 1991/739 Claims in Australian Antarctic Territory 1976 - 1976
A1209 1960/92 PART 1 JIC London - weekly review of current intelligence 1960 1960 - 1960
A7452 A15 PART 3 Indonesia - International relations with other countries including Australia 1977 - 2002
A367 C108408 BUDDLE, Thomas Gordon, THOMAS, John Henry 1953 - 1953
A9108 ROLL 15/15 Political situation in Burma 1952 - 1953
A12389 A34 ASIO document: BfV The West German Security Intelligence Service: Service Regulations 1975 - 1975
A1838 3027/10/1 PART 7 Malaysia - Political Relations with Australia 1968 - 1969
A9737 1992/50994 PART 1 Vietnam - The War - Long Tan Cross 21 Feb 1975 - 07 May 1985
A7936 B/5/9 Estimates 1956-1957 [portion of title exempt] 1956 - 1956
A1838 1957/5/11 PART 2 ASIO - [remainder of file title withheld] 1970 - 1981
A1209 1958/5994 PART 1 [Modified title: Exchange of intelligence material] - Weekly intelligence summaries 1958 - 1958
K279 1982/847 Defence (Army) - unit magazine at Swanbourne - siting board [Department of Works/Construction] 1982 - 1982
AWM54 179/1/23 PART 1 [Chemical Warfare - General:] 42nd Chemical Laboratory Company: Technical Reports [Part 1 of 9] 1940 - 1945
A816 43/302/76 Cryptographic Material for ASIO 1951 - 1952
A4398 25/301 PART 1 L14 subject registration booklet for the 25/301/- section of Defence classified file series, A816: intelligence (file numbers 5 - 616) - Book 1 1938 - 1956
A1209 1975/2257 East Timor - Activities of Australian journalists 01 Sep 1975 - 08 Mar 1976