On July 10, a preliminary meeting was held in the form of visit Parkes in British Embassy in Tokyo by Nobuyoshi SAWA, who assumed the position of chief of Foreign Ministry accompanying the reorganization to the Ministry of Foreign Affairs, along with OKUMA, who similarly assumed the position of Okura no taifu (senior assistant minister of the Minister of Treasury) accompanying the reorganization to the Ministry of Finance.
7月10日、東京に置かれた英国大使館を外務省への改編に伴って外務卿に就任した澤宣嘉と同じく大蔵省への改編に伴って大蔵大輔に就任した大隈がパークスを訪問する形式で予備会談が行われた。