33(1)(b)

contains information or matter: (i) that was communicated in confidence by, or on behalf of, a foreign government, an authority of a foreign government or an international organisation (the foreign entity) to the Government of the Commonwealth, to an authority of the Commonwealth or to a person who received the communication on behalf of the Commonwealth or an authority of the Commonwealth (the Commonwealth entity); and (ii) which the foreign entity advises the Commonwealth entity is still confidential; and (iii) the confidentiality of which it would be reasonable to maintain
Section 33(1)(b) of the Archives Act 1983

425

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61

years

is the average age of closed files that cite this reason, based on the date of their earliest content
48

series

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25.614117647058823

years

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

Series Control Symbol Title Contents dates
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
A5954 1727/23 Gibraltar as a link in Imperial Communications - The problem of Establishing an Air Base, Jul 1936 1936 - 1936
A6980 S250155 Security screening procedure - Italy 1958 - 1989
A1838 TS666/65/14 Intelligence conference on China 1968 - 1968
A1068 DL47/5/8 Far East (Strength of Armed Forces) 1946 - 1948
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
A9377 9 [The Australian Cypher 1946] Cypher typed 1946 - 1946
A6980 S250333 Security screening - Sweden 1957 - 1991
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
D1915 SA2683 KATTHAGEN Arthur 1927 - 1930
A1945 249/12/14 SEATO - Committee of Security Experts [4cms] 1961 - 1961
A3269 R14/A [SRD (Services Reconnaissance Department) Technical Section -] The Sabotage Handbook; Miscellaneous Industries [Volume 1] 1942 - 1942
D1915 SA2801 AZZOLINI Ilarione - enquiry re by Immigration 1931 - 1953
A1533 1967/2614 FBI inquiry re MATIONG Florencio Lopez aka Chi Chi MARTINEZ, BOND Victor Gerald, MONTOYA Alfred Arthur, MONTOYA Harold Otto 1967 - 1967
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 179/5/14 PART 25 [Chemical Warfare - Trials:] Dugway Proving Grounds. Mobile Chemical Warfare Section Unit, 1945-1946 1945 - 1946
AWM54 179/5/8 PART 13 [Chemical Warfare - Trials:] Munitions Supply Laboratories. Abstract reports indexed in records of Chemical Defence Board [Part 13 of 23] 1945 - 1945
A1838 TS917/2 United Nations Anglo Argentine Dispute - Falkland Islands 1946 - 1948
A816 19/310/167 Soviet and satellite war potential 1953-1956 1953 - 1953