According to the system introduced in 1667, the envoys were led by a wakadoshiyori (junior elder) as supervisor, with one tsukaiban as official envoy reporting directly to the wakadoshiyori, accompanied by one from koshoban (inner guards) and another from shoinban serving as vice-envoys.
寛文7年の制によれば、責任者を若年寄としてその指揮監督にあたり、若年寄の支配下にあった使番1名を正使、同じく小姓番と書院番からそれぞれ1名ずつを副使として派遣することとした。