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
21.178217821782177

years

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

Series Control Symbol Title Contents dates
A2031 192/1945 192/1945 : Destruction of Japanese crops 1945 - 1945
A1209 1961/83 Procedure for handling Soviet and satellite defectors 1950 - 1973
A6119 1494 BURNS, Geordie aka Gilbert aka George [This item contains 2 pages numbered 62 and 63, both of which contain exemptions. Pages 1-61 are on A6119, item 218] 1963 - 1963
A1533 1967/2614 FBI inquiry re MATIONG Florencio Lopez aka Chi Chi MARTINEZ, BOND Victor Gerald, MONTOYA Alfred Arthur, MONTOYA Harold Otto 1967 - 1967
AWM54 244/2/25 [Demolitions - Schemes:] NSW State War Effort, Co-ordination Committee: Demolitions and denial of resources to the enemy 1939 - 1945
A1838 100/6 Relations with foreign services [imposed title, original title wholly exempt] 1952 - 1989
A1838 694/2/4/1 PART 2 [portion of title exempt] Intelligence Estimates [0.5cm] 1971 - 1984
A14039 5353 Cabinet Memorandum 5353 - SCIS Report to MInisters on the activities of the Intelligence and Security Agencies in 1986-87 - Decision 10780/SEC 26 Oct 1987 - 15 Mar 1988
A6122 698 C P of A [Communist Party of Australia] Queensland General Branch formerly known as Brisbane Hospital Branch 1949 - 1949
A7452 A127 PART 2 Royal Commission into Intelligence and Security [RCIS] - third report 1976 - 1977
A6119 450 George Ernest Archer RUSSELL 1949 - 1960
A12389 AA2 Activities of the Russian Intelligence Service in Australia 1976 - 1976
A6122 1032 Communist Party of Australia - New South Wales, social activities 1949 - 1956
A6122 1103 Communist Party of Australia - use of airfields 1949 - 1956
AWM54 244/3/3 [Demolitions - Preparation:] Report on demolition plan for road bridge over Minnamurra River, and the Nowra Area. Reconnaissance carried out by Capt Carmicheal 1942 - 1942
AWM54 179/5/8 PART 8 [Chemical Warfare - Trials:] Munitions Supply Laboratories. Abstract reports indexed in records of Chemical Defence Board [Part 8 of 23] 1944 - 1944
A2031 135/1955 Quinpart Intelligence meetings 1955 - 1955
AWM54 179/1/20 PART 1 [Chemical Warfare - General:] Allied Land Forces, South West Pacific Area: Technical Notes and Staff Notes - Chemical Warfare, Feb 1942 [Part 1 of 19] 1942 - 1942
A1533 1956/1886 KAPUR, Sant Singh [0.5cm] 1956 - 1961
A6122 885 Communist Party of Australia - Canberra Propaganda 1949 - 1956