At present, all communication must go through central liaison offices, meaning that all requests pass through one country' s administrative machinery from a local office to a national liaison office and down the same path in the other country.

Following the Japanese surrender in 1945, the British Ministry of Foreign Affairs was considering indicting Baty for treason, but the Central Liaison Office (a British government agency operating in Japan) provided an opinion stating that Baty's involvement with the Japanese government during the war was insignificant.