Catalogue description Government Code and Cypher School: Diplomatic Section: Reports of German Diplomatic Messages (GERDI, IR and OTP Reports)

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Details of HW 36
Reference: HW 36
Title: Government Code and Cypher School: Diplomatic Section: Reports of German Diplomatic Messages (GERDI, IR and OTP Reports)
Description:

Reports of German diplomatic messages decyphered by the Diplomatic Section. GERDI (German Diplomatic) reports contain general diplomatic intelligence and agent material. IR (Ireland) reports contain messages between the German Ministry of Foreign Affairs in Berlin and the German legation in Dublin.
Date: 1942-1943
Held by: The National Archives, Kew
Former reference in its original department: GERDI, IR and OTP reports
Legal status: Public Record(s)
Language: English and German
Creator:

Government Code and Cypher School, Diplomatic Section, 1919-1946
Physical description: 7 files and volumes
Access conditions: Subject to 30 year closure unless otherwise stated
Immediate source of acquisition:

from 2001 Government Communications Headquarters
Custodial history: These records were passed to the Government Communications Headquarters when it succeeded the Government Code and Cypher School in 1946.
Accumulation dates: 1942 to 1945
Selection and destruction information: All surviving reports have been selected for permanent preservation, though a large number of IR reports, and all except one OTP German diplomatic report, have not survived. All Government Code and Cypher School material from the Second World War is selected without review, under section 2.2.1.3 of the PRO acquisition policy.
Accruals: No future accruals expected.
Administrative / biographical background:

Diplomatic Section was responsible for decyphering intercepted diplomatic wireless messages during the Second World War.

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