The Chatham House Rule The rule originated in June, 1927, at what is now best known as Chatham House in London with the aim of guaranteeing anonymity to those speaking within its walls in order that better international relations could be achieved. It is now used throughout the world as an aid to free discussion. The original rule was refined in October 1992 and again in 2002
Home / Questions / When a meeting, or part thereof, is held under XXX, participants are free to use the information received, but neither the identity nor the affiliation of the speaker(s), nor that of any other participant, may be revealed. Can you fill in XXX?