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
20

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
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
A6122 874 CPA [Communist Party of Australia] - Tasmania - Beauty Point branch 1949 - 1956
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
A6980 S250333 Security screening - Sweden 1957 - 1991
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
A4624 NN HMAS Bribane Tenders - Quarter ending 30/6/42 1942 - 1942
A6119 1808 GILLEN, James Patrick - Supp 1 1956 - 1956
A1838 TS490/6/1 China - Personalities - General 1955 - 1955
A1838 663/4/7 PART 2 JIC and JIS programme of work 1960 - 1963
A2031 125/1955 Exchange of information for SEAMIL purposes 1955 - 1955
A1838 TS899/6/6/1 Commonwealth Prime Ministers Conference 1960 - Minutes and Proceedings [290pp] 1960 - 1960
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
A6122 773 Communist Party of Australia. NSW Ross Street Technical College Branch 1949 - 1949
A1838 3027/2/1 PART 40 Malaysia - Political - General 1969 - 1969
A6122 1027 Communist Party of Australia. New South Wales schools [Volume 2] 1949 - 1956
A6119 248 BREZNIAK, Lhyam (VOLUME 2) 1955 - 1955
A1838 TS917/2 United Nations Anglo Argentine Dispute - Falkland Islands 1946 - 1948