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
26.178217821782177

years

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

Series Control Symbol Title Contents dates
A10872 100/3/7 Australian Secret Intelligence Service (ASIS) - Name of individual [imposed title, original title wholly exempt] 1957 - 1961
A6122 703 C P of A [Communist Party of Australia] Queensland Toombul Branch 1949 - 1949
A12909 2773 [Reference copy] Submission No 2773 : [title exempt] - Decision 7263(IS) 21 Nov 1978 - 21 Nov 1978
A14039 7155 Cabinet Submission 7155 - Title exempt - Decision 13900/SEC 29 Jun 1990 - 10 Jul 1990
A6122 1029 Communist Party of Australia - Papua New Guinea, illegal apparatus 1949 - 1956
A6122 959 Communist Party of Australia. New South Wales, Morts Dock Branch 1949 - 1958
AWM54 179/1/5 [Chemical Warfare - General:] Chemical Warfare Liaison Notes, No 7 - Chemical Warfare Intelligence Requirements 1941 - 1941
A6119 1582 KING, Trevor Ronald [5 pages - all of these contain exemptions] 1963 - 1963
A1209 1960/802 SEATO - Report of the Communications Committee. Fourth meeting, June, 1960. 1960 - 1960
AWM54 179/3/3 PART 3 [Chemical Warfare - Types of Agents:] Canada, Sub-Committee on Physiological Aspects of Chemical Warfare, Oct 1943 - Report on Iron and Chloride content of the Respiratory Tract 1943 - 1943
AWM54 179/3/3 PART 14 [Chemical Warfare - Types of Agents:] Canada, Sub-Committee on Physiological Aspects of Chemical Warfare - Report on the Toxicity of Mustard Gas by Intravenous Injections (abbr) 1944 - 1944
A816 11/301/664 JIC papers - exchange of information 1949 - 1949
AWM54 244/2/24 [Demolitions - Schemes:] Demolition Plan: Victoria, Western Area [Oversize item] 1939 - 1945
AWM54 179/5/7 PART 1 [Chemical Warfare - Trials:] Reports from Australian Field Experimental Station, Proserpine, Queensland (Feb 1945) [Part 1 of 10] 1945 - 1945
A12389 F13 PART 1 Submission by Department of Foreign Affairs to Royal Commission on Intelligence and Security re [portion of title exempt] 1975 - 1975
A1209 1957/4095 Joint Intelligence Bureau - liaison with United States [Government agency]. [Modified title. Original item title partially exempt.] 1953 - 1954
A6122 614 Communist Party of Australia - Branches Victoria - Bendigo branch 1952 - 1954
A1838 563/10/10/10 PART 2 SEATO - trends and highlights in Communist propaganda 1957 - 1957
A1838 TS696/2/2 PART 5 Regional Defence - Indonesia - Australian strategic interest 1957 - 1958
A1209 1961/190 Proposal for meeting of officials prior to Prime Ministers' conference 1961 1961 - 1961