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

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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
A1838 TS181/1/6 Middle East. Joint Intelligence Committee Reports 1957 - 1960
A1838 TS654/3/9 Middle East. Intelligence summaries. 1956 - 1956
A6122 580 CPA [Communist Party of Australia] NSW - Western District 1949 - 1949
A6122 1566 Employee organisations - Australian Federated Ironworkers Association, NSW, Volume 5 1963 - 1963
B3476 139 Teleradio - Ocean Island Control Demand No.140 1942 - 1942
A4940 C2617 Australian Expeditions to Antarctic Continent - Policy 1953 - 1961
A6122 818 Communist Party in Australia - Victoria - North Melbourne branch 1949 - 1958
A6122 501 Communist Party of Australia - Branches Vicdtoria Boot Trade Branch 1949 - 1949
D1915 SA1028 Mrs WANZEK - deceased - desire of Mrs MACEY to bring children to Australia 1924 - 1943
A12389 A47 ASIO document: Report on Activities by Aliens Constituting a Threat to Security: Translation of BfV document 1973 - 1974
AWM54 244/2/10 PART 2 [Demolitions - Schemes:] Demolition of Grey St Bridge, Brisbane Fortress Area, Belt "G", 17 Dec 1942 [Part 1 of 2] 1942 - 1942
A12389 F10 ATTACHMENT 6 Department of Foreign Affairs Information on Portuguese Timor Part 3: 1. Assessments of Portuguese Timor situations made by Department of Foreign Affairs and Joint Intelligence Organization, 2. Ministerial submissions and major correspondence between Ministers on Portuguese Timor, 3. Briefs prepared by Department of Foreign Affairs, 4. Records of Conversations in Canberra or involving officers or Ministers from Canberra relating to Portuguese Timor, 5. Selections of significant telegrams from Canberra 1974 - 1975
A6122 895 CPA [Communist Party of Australia] - Tasmania - Finance 1949 - 1956
A6122 1195 ASIS Codeword procedures [Australian Secret Intelligence Service] 1956 - 1956
A6126 156 FREESTONE, Robert Cyril 1949 - 1964
A6122 644 CP of A [Communist Party of Australia] Sections N.S.W. Bankstown/Chullora Section 1949 - 1949
AWM54 179/3/3 PART 7 [Chemical Warfare - Types of Agents:] Canada, Sub-Committee on Physiological Aspects of Chemical Warfare - Report on the Detection of Particles of Cadmium Oxide in Sections of Mouse Lung 1944 - 1944
A7936 B/8/2 Relates to ASIS [imposed title, original item title exempt] 1957 - 1957
A1838 TS686/4 PART 3 Regional Defence. Pacific, East and South East Asia. ANZUS military machinery. (ANZUS Staff Planners, Military Advisers, etc.) [64pp] 1953 - 1955
A1533 1955/4765 Czechoslovakian Consulate - whereabouts enquiries and policy on same. 1951 - 1952