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
A1838 663/4/7 PART 2 JIC and JIS programme of work 1960 - 1963
AWM54 179/5/8 PART 1 [Chemical Warfare - Trials:] Munitions Supply Laboratories. Abstract reports indexed in records of Chemical Defence Board [Part 1 of 23] 1944 - 1944
A13075 3609 Cabinet Minute - Decision No 3609 - [title exempt] - Without Submission 02 Aug 1977 - 02 Aug 1977
A1068 DL47/5/8 Far East (Strength of Armed Forces) 1946 - 1948
A4624 NN HMAS Bribane Tenders - Quarter ending 30/6/42 1942 - 1942
A1838 3027/2/1 PART 40 Malaysia - Political - General 1969 - 1969
A6980 S250333 Security screening - Sweden 1957 - 1991
A6122 1027 Communist Party of Australia. New South Wales schools [Volume 2] 1949 - 1956
A6119 74 CHANDLER, Herbert Bovyll - Volumel 4 1952 - 1953
A6122 874 CPA [Communist Party of Australia] - Tasmania - Beauty Point branch 1949 - 1956
A5799 234/1952 Five Power Military Conference on South East Asia - UK papers on 'possible deterents to further Chinese aggression in South East Asia' and 'possible operations against Hainan' 1952 - 1952
A1838 100/12/1 Schedules - Foreign Affairs [modified title, original title partially exempt] 1956 - 1957
A1945 249/12/14 SEATO - Committee of Security Experts [4cms] 1961 - 1961
K279 1980/671 PART 2 Defence (Army) Swanbourne and Springhill - training facilities for SASR [Special Air Service Regiment] [Department of Works/Construction] 1982 - 1986
A6980 S250155 Security screening procedure - Italy 1958 - 1989
AWM54 244/2/41 [Demolitions - Schemes:] Demolition Plan: Road bridge - Richmond River at Casino, Tween River at Byangum, Richmond River at Coraki, Tweed River at Murwillumbah and Barney's Point 1939 - 1945
A7936 B/9/1 Relates to ASIS [imposed title, original item title exempt] 1952 - 1953
AWM54 179/5/1 PART 8 [Chemical Warfare - Trials:] Reports from the Chemical Defence Board, Research and Experimental Section, Innisfail, Queensland [Part 8 of 10] 1944 - 1944
A6119 1808 GILLEN, James Patrick - Supp 1 1956 - 1956
A1838 TS490/6/1 China - Personalities - General 1955 - 1955