Chatham House Rule
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English[edit]
Alternative forms[edit]
Etymology[edit]
Named after the headquarters of the UK Royal Institute of International Affairs, based in Chatham House, London, where the rule originated in June 1927.
Proper noun[edit]
- A rule, applied to some controversial debates and discussion panels, stating that anybody who attends is free to use information from the discussion, but cannot reveal who made any comment.